15881655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 27373248

約数和(自身を除く): 11491593

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1021, 1037, 3063, 3111, 5105, 5185, 15315, 15555, 17357, 52071, 62281, 86785, 186843, 260355, 311405, 934215, 1058777, 3176331, 5293885, 15881655]

約数ペア:

[(1, 15881655), (3, 5293885), (5, 3176331), (15, 1058777), (17, 934215), (51, 311405), (61, 260355), (85, 186843), (183, 86785), (255, 62281), (305, 52071), (915, 17357), (1021, 15555), (1037, 15315), (3063, 5185), (3111, 5105)]