28561695

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 47554560

約数和(自身を除く): 18992865

約数列:

[1, 3, 5, 15, 31, 93, 155, 239, 257, 465, 717, 771, 1195, 1285, 3585, 3855, 7409, 7967, 22227, 23901, 37045, 39835, 61423, 111135, 119505, 184269, 307115, 921345, 1904113, 5712339, 9520565, 28561695]

約数ペア:

[(1, 28561695), (3, 9520565), (5, 5712339), (15, 1904113), (31, 921345), (93, 307115), (155, 184269), (239, 119505), (257, 111135), (465, 61423), (717, 39835), (771, 37045), (1195, 23901), (1285, 22227), (3585, 7967), (3855, 7409)]