155403885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 334623744

約数和(自身を除く): 179219859

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 37, 39, 51, 65, 85, 91, 105, 111, 119, 181, 185, 195, 221, 255, 259, 273, 357, 455, 481, 543, 555, 595, 629, 663, 777, 905, 1105, 1267, 1295, 1365, 1443, 1547, 1785, 1887, 2353, 2405, 2715, 3077, 3145, 3315, 3367, 3801, 3885, 4403, 4641, 6335, 6697, 7059, 7215, 7735, 8177, 9231, 9435, 10101, 11765, 13209, 15385, 16471, 16835, 19005, 20091, 21539, 22015, 23205, 24531, 33485, 35295, 40001, 40885, 46155, 46879, 49413, 50505, 57239, 64617, 66045, 82355, 87061, 100455, 107695, 113849, 120003, 122655, 140637, 171717, 200005, 234395, 247065, 261183, 280007, 286195, 323085, 341547, 435305, 569245, 600015, 609427, 703185, 796943, 840021, 858585, 1305915, 1400035, 1480037, 1707735, 1828281, 2390829, 3047135, 3984715, 4200105, 4440111, 7400185, 9141405, 10360259, 11954145, 22200555, 31080777, 51801295, 155403885]

約数ペア:

[(1, 155403885), (3, 51801295), (5, 31080777), (7, 22200555), (13, 11954145), (15, 10360259), (17, 9141405), (21, 7400185), (35, 4440111), (37, 4200105), (39, 3984715), (51, 3047135), (65, 2390829), (85, 1828281), (91, 1707735), (105, 1480037), (111, 1400035), (119, 1305915), (181, 858585), (185, 840021), (195, 796943), (221, 703185), (255, 609427), (259, 600015), (273, 569245), (357, 435305), (455, 341547), (481, 323085), (543, 286195), (555, 280007), (595, 261183), (629, 247065), (663, 234395), (777, 200005), (905, 171717), (1105, 140637), (1267, 122655), (1295, 120003), (1365, 113849), (1443, 107695), (1547, 100455), (1785, 87061), (1887, 82355), (2353, 66045), (2405, 64617), (2715, 57239), (3077, 50505), (3145, 49413), (3315, 46879), (3367, 46155), (3801, 40885), (3885, 40001), (4403, 35295), (4641, 33485), (6335, 24531), (6697, 23205), (7059, 22015), (7215, 21539), (7735, 20091), (8177, 19005), (9231, 16835), (9435, 16471), (10101, 15385), (11765, 13209)]