679867875

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{9907}}^1$

素因数の和:9989

約数の個数: 48

約数和(自身を含む): 1245792288

約数和(自身を除く): 565924413

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 305, 375, 549, 915, 1125, 1525, 2745, 4575, 7625, 9907, 13725, 22875, 29721, 49535, 68625, 89163, 148605, 247675, 445815, 604327, 743025, 1238375, 1812981, 2229075, 3021635, 3715125, 5438943, 9064905, 11145375, 15108175, 27194715, 45324525, 75540875, 135973575, 226622625, 679867875]

約数ペア:

[(1, 679867875), (3, 226622625), (5, 135973575), (9, 75540875), (15, 45324525), (25, 27194715), (45, 15108175), (61, 11145375), (75, 9064905), (125, 5438943), (183, 3715125), (225, 3021635), (305, 2229075), (375, 1812981), (549, 1238375), (915, 743025), (1125, 604327), (1525, 445815), (2745, 247675), (4575, 148605), (7625, 89163), (9907, 68625), (13725, 49535), (22875, 29721)]