81176265

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 149086080

約数和(自身を除く): 67909815

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 263, 285, 361, 789, 855, 1083, 1315, 1805, 2367, 3249, 3945, 4997, 5415, 6859, 11835, 14991, 16245, 20577, 24985, 34295, 44973, 61731, 74955, 94943, 102885, 224865, 284829, 308655, 474715, 854487, 1424145, 1803917, 4272435, 5411751, 9019585, 16235253, 27058755, 81176265]

約数ペア:

[(1, 81176265), (3, 27058755), (5, 16235253), (9, 9019585), (15, 5411751), (19, 4272435), (45, 1803917), (57, 1424145), (95, 854487), (171, 474715), (263, 308655), (285, 284829), (361, 224865), (789, 102885), (855, 94943), (1083, 74955), (1315, 61731), (1805, 44973), (2367, 34295), (3249, 24985), (3945, 20577), (4997, 16245), (5415, 14991), (6859, 11835)]