28518525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 61513920

約数和(自身を除く): 32995395

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 665, 855, 953, 1197, 1425, 1575, 1995, 2859, 3325, 4275, 4765, 5985, 6671, 8577, 9975, 14295, 18107, 20013, 23825, 29925, 33355, 42885, 54321, 60039, 71475, 90535, 100065, 126749, 162963, 166775, 214425, 271605, 300195, 380247, 452675, 500325, 633745, 814815, 1140741, 1358025, 1500975, 1901235, 3168725, 4074075, 5703705, 9506175, 28518525]

約数ペア:

[(1, 28518525), (3, 9506175), (5, 5703705), (7, 4074075), (9, 3168725), (15, 1901235), (19, 1500975), (21, 1358025), (25, 1140741), (35, 814815), (45, 633745), (57, 500325), (63, 452675), (75, 380247), (95, 300195), (105, 271605), (133, 214425), (171, 166775), (175, 162963), (225, 126749), (285, 100065), (315, 90535), (399, 71475), (475, 60039), (525, 54321), (665, 42885), (855, 33355), (953, 29925), (1197, 23825), (1425, 20013), (1575, 18107), (1995, 14295), (2859, 9975), (3325, 8577), (4275, 6671), (4765, 5985)]