1905981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 3268608

約数和(自身を除く): 1362627

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 223, 231, 259, 407, 669, 777, 1221, 1561, 2453, 2849, 4683, 7359, 8251, 8547, 17171, 24753, 51513, 57757, 90761, 173271, 272283, 635327, 1905981]

約数ペア:

[(1, 1905981), (3, 635327), (7, 272283), (11, 173271), (21, 90761), (33, 57757), (37, 51513), (77, 24753), (111, 17171), (223, 8547), (231, 8251), (259, 7359), (407, 4683), (669, 2849), (777, 2453), (1221, 1561)]