28623075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 52663296

約数和(自身を除く): 24040221

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 947, 975, 1209, 2015, 2325, 2841, 4735, 6045, 10075, 12311, 14205, 23675, 29357, 30225, 36933, 61555, 71025, 88071, 146785, 184665, 307775, 381641, 440355, 733925, 923325, 1144923, 1908205, 2201775, 5724615, 9541025, 28623075]

約数ペア:

[(1, 28623075), (3, 9541025), (5, 5724615), (13, 2201775), (15, 1908205), (25, 1144923), (31, 923325), (39, 733925), (65, 440355), (75, 381641), (93, 307775), (155, 184665), (195, 146785), (325, 88071), (403, 71025), (465, 61555), (775, 36933), (947, 30225), (975, 29357), (1209, 23675), (2015, 14205), (2325, 12311), (2841, 10075), (4735, 6045)]