51689775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 91922688

約数和(自身を除く): 40232913

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 571, 1065, 1207, 1275, 1713, 1775, 2855, 3621, 5325, 6035, 8565, 9707, 14275, 18105, 29121, 30175, 40541, 42825, 48535, 90525, 121623, 145605, 202705, 242675, 608115, 689197, 728025, 1013525, 2067591, 3040575, 3445985, 10337955, 17229925, 51689775]

約数ペア:

[(1, 51689775), (3, 17229925), (5, 10337955), (15, 3445985), (17, 3040575), (25, 2067591), (51, 1013525), (71, 728025), (75, 689197), (85, 608115), (213, 242675), (255, 202705), (355, 145605), (425, 121623), (571, 90525), (1065, 48535), (1207, 42825), (1275, 40541), (1713, 30175), (1775, 29121), (2855, 18105), (3621, 14275), (5325, 9707), (6035, 8565)]