7861815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 14938560

約数和(自身を除く): 7076745

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 89, 117, 151, 195, 267, 445, 453, 585, 755, 801, 1157, 1335, 1359, 1963, 2265, 3471, 4005, 5785, 5889, 6795, 9815, 10413, 13439, 17355, 17667, 29445, 40317, 52065, 67195, 88335, 120951, 174707, 201585, 524121, 604755, 873535, 1572363, 2620605, 7861815]

約数ペア:

[(1, 7861815), (3, 2620605), (5, 1572363), (9, 873535), (13, 604755), (15, 524121), (39, 201585), (45, 174707), (65, 120951), (89, 88335), (117, 67195), (151, 52065), (195, 40317), (267, 29445), (445, 17667), (453, 17355), (585, 13439), (755, 10413), (801, 9815), (1157, 6795), (1335, 5889), (1359, 5785), (1963, 4005), (2265, 3471)]