28478835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8219}}^1$

素因数の和:8248

約数の個数: 48

約数和(自身を含む): 61551360

約数和(自身を除く): 33072525

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 8219, 24657, 41095, 57533, 73971, 90409, 123285, 172599, 271227, 287665, 369855, 452045, 517797, 632863, 813681, 862995, 1356135, 1898589, 2588985, 3164315, 4068405, 5695767, 9492945, 28478835]

約数ペア:

[(1, 28478835), (3, 9492945), (5, 5695767), (7, 4068405), (9, 3164315), (11, 2588985), (15, 1898589), (21, 1356135), (33, 862995), (35, 813681), (45, 632863), (55, 517797), (63, 452045), (77, 369855), (99, 287665), (105, 271227), (165, 172599), (231, 123285), (315, 90409), (385, 73971), (495, 57533), (693, 41095), (1155, 24657), (3465, 8219)]