397777275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8147}}^1$

素因数の和:8201

約数の個数: 72

約数和(自身を含む): 840612864

約数和(自身を除く): 442835589

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 279, 315, 465, 525, 651, 775, 1085, 1395, 1575, 1953, 2325, 3255, 5425, 6975, 8147, 9765, 16275, 24441, 40735, 48825, 57029, 73323, 122205, 171087, 203675, 252557, 285145, 366615, 513261, 611025, 757671, 855435, 1262785, 1425725, 1767899, 1833075, 2273013, 2566305, 3788355, 4277175, 5303697, 6313925, 8839495, 11365065, 12831525, 15911091, 18941775, 26518485, 44197475, 56825325, 79555455, 132592425, 397777275]

約数ペア:

[(1, 397777275), (3, 132592425), (5, 79555455), (7, 56825325), (9, 44197475), (15, 26518485), (21, 18941775), (25, 15911091), (31, 12831525), (35, 11365065), (45, 8839495), (63, 6313925), (75, 5303697), (93, 4277175), (105, 3788355), (155, 2566305), (175, 2273013), (217, 1833075), (225, 1767899), (279, 1425725), (315, 1262785), (465, 855435), (525, 757671), (651, 611025), (775, 513261), (1085, 366615), (1395, 285145), (1575, 252557), (1953, 203675), (2325, 171087), (3255, 122205), (5425, 73323), (6975, 57029), (8147, 48825), (9765, 40735), (16275, 24441)]