291247245

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11789}}^1$

素因数の和:11867

約数の個数: 40

約数和(自身を含む): 530691480

約数和(自身を除く): 239444235

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2745, 4941, 8235, 11789, 24705, 35367, 58945, 106101, 176835, 318303, 530505, 719129, 954909, 1591515, 2157387, 3595645, 4774545, 6472161, 10786935, 19416483, 32360805, 58249449, 97082415, 291247245]

約数ペア:

[(1, 291247245), (3, 97082415), (5, 58249449), (9, 32360805), (15, 19416483), (27, 10786935), (45, 6472161), (61, 4774545), (81, 3595645), (135, 2157387), (183, 1591515), (305, 954909), (405, 719129), (549, 530505), (915, 318303), (1647, 176835), (2745, 106101), (4941, 58945), (8235, 35367), (11789, 24705)]