15241905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{127}}^2$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 31213440

約数和(自身を除く): 15971535

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 127, 135, 189, 315, 381, 635, 889, 945, 1143, 1905, 2667, 3429, 4445, 5715, 8001, 13335, 16129, 17145, 24003, 40005, 48387, 80645, 112903, 120015, 145161, 241935, 338709, 435483, 564515, 725805, 1016127, 1693545, 2177415, 3048381, 5080635, 15241905]

約数ペア:

[(1, 15241905), (3, 5080635), (5, 3048381), (7, 2177415), (9, 1693545), (15, 1016127), (21, 725805), (27, 564515), (35, 435483), (45, 338709), (63, 241935), (105, 145161), (127, 120015), (135, 112903), (189, 80645), (315, 48387), (381, 40005), (635, 24003), (889, 17145), (945, 16129), (1143, 13335), (1905, 8001), (2667, 5715), (3429, 4445)]