81465675

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 142943232

約数和(自身を除く): 61477557

約数列:

[1, 3, 5, 15, 25, 31, 37, 75, 93, 111, 155, 185, 465, 555, 775, 925, 947, 1147, 2325, 2775, 2841, 3441, 4735, 5735, 14205, 17205, 23675, 28675, 29357, 35039, 71025, 86025, 88071, 105117, 146785, 175195, 440355, 525585, 733925, 875975, 1086209, 2201775, 2627925, 3258627, 5431045, 16293135, 27155225, 81465675]

約数ペア:

[(1, 81465675), (3, 27155225), (5, 16293135), (15, 5431045), (25, 3258627), (31, 2627925), (37, 2201775), (75, 1086209), (93, 875975), (111, 733925), (155, 525585), (185, 440355), (465, 175195), (555, 146785), (775, 105117), (925, 88071), (947, 86025), (1147, 71025), (2325, 35039), (2775, 29357), (2841, 28675), (3441, 23675), (4735, 17205), (5735, 14205)]