11972895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 21081600

約数和(自身を除く): 9108705

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 487, 745, 1461, 1639, 2235, 2435, 4917, 5357, 7305, 8195, 16071, 24585, 26785, 72563, 80355, 217689, 362815, 798193, 1088445, 2394579, 3990965, 11972895]

約数ペア:

[(1, 11972895), (3, 3990965), (5, 2394579), (11, 1088445), (15, 798193), (33, 362815), (55, 217689), (149, 80355), (165, 72563), (447, 26785), (487, 24585), (745, 16071), (1461, 8195), (1639, 7305), (2235, 5357), (2435, 4917)]