15316455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 15787545

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 89, 105, 149, 165, 231, 267, 385, 445, 447, 623, 745, 979, 1043, 1155, 1335, 1639, 1869, 2235, 2937, 3115, 3129, 4895, 4917, 5215, 6853, 8195, 9345, 11473, 13261, 14685, 15645, 20559, 24585, 34265, 34419, 39783, 57365, 66305, 92827, 102795, 145871, 172095, 198915, 278481, 437613, 464135, 729355, 1021097, 1392405, 2188065, 3063291, 5105485, 15316455]

約数ペア:

[(1, 15316455), (3, 5105485), (5, 3063291), (7, 2188065), (11, 1392405), (15, 1021097), (21, 729355), (33, 464135), (35, 437613), (55, 278481), (77, 198915), (89, 172095), (105, 145871), (149, 102795), (165, 92827), (231, 66305), (267, 57365), (385, 39783), (445, 34419), (447, 34265), (623, 24585), (745, 20559), (979, 15645), (1043, 14685), (1155, 13261), (1335, 11473), (1639, 9345), (1869, 8195), (2235, 6853), (2937, 5215), (3115, 4917), (3129, 4895)]