51289455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 101007360

約数和(自身を除く): 49717905

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 47, 57, 95, 105, 133, 141, 235, 285, 329, 399, 547, 665, 705, 893, 987, 1641, 1645, 1995, 2679, 2735, 3829, 4465, 4935, 6251, 8205, 10393, 11487, 13395, 18753, 19145, 25709, 31179, 31255, 51965, 57435, 72751, 77127, 93765, 128545, 155895, 179963, 218253, 363755, 385635, 488471, 539889, 899815, 1091265, 1465413, 2442355, 2699445, 3419297, 7327065, 10257891, 17096485, 51289455]

約数ペア:

[(1, 51289455), (3, 17096485), (5, 10257891), (7, 7327065), (15, 3419297), (19, 2699445), (21, 2442355), (35, 1465413), (47, 1091265), (57, 899815), (95, 539889), (105, 488471), (133, 385635), (141, 363755), (235, 218253), (285, 179963), (329, 155895), (399, 128545), (547, 93765), (665, 77127), (705, 72751), (893, 57435), (987, 51965), (1641, 31255), (1645, 31179), (1995, 25709), (2679, 19145), (2735, 18753), (3829, 13395), (4465, 11487), (4935, 10393), (6251, 8205)]