15218145

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 15021855

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 349, 459, 513, 765, 855, 969, 1047, 1615, 1745, 2295, 2565, 2907, 3141, 4845, 5235, 5933, 6631, 8721, 9423, 14535, 15705, 17799, 19893, 29665, 33155, 43605, 47115, 53397, 59679, 88995, 99465, 112727, 160191, 179037, 266985, 298395, 338181, 563635, 800955, 895185, 1014543, 1690905, 3043629, 5072715, 15218145]

約数ペア:

[(1, 15218145), (3, 5072715), (5, 3043629), (9, 1690905), (15, 1014543), (17, 895185), (19, 800955), (27, 563635), (45, 338181), (51, 298395), (57, 266985), (85, 179037), (95, 160191), (135, 112727), (153, 99465), (171, 88995), (255, 59679), (285, 53397), (323, 47115), (349, 43605), (459, 33155), (513, 29665), (765, 19893), (855, 17799), (969, 15705), (1047, 14535), (1615, 9423), (1745, 8721), (2295, 6631), (2565, 5933), (2907, 5235), (3141, 4845)]