30871635

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 52766208

約数和(自身を除く): 21894573

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2081, 2967, 4945, 6243, 10405, 14835, 31215, 47863, 89483, 143589, 239315, 268449, 447415, 717945, 1342245, 2058109, 6174327, 10290545, 30871635]

約数ペア:

[(1, 30871635), (3, 10290545), (5, 6174327), (15, 2058109), (23, 1342245), (43, 717945), (69, 447415), (115, 268449), (129, 239315), (215, 143589), (345, 89483), (645, 47863), (989, 31215), (2081, 14835), (2967, 10405), (4945, 6243)]