31488795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2833}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 61894560

約数和(自身を除く): 30405765

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 2833, 3705, 8499, 11115, 14165, 25497, 36829, 42495, 53827, 110487, 127485, 161481, 184145, 269135, 331461, 484443, 552435, 699751, 807405, 1657305, 2099253, 2422215, 3498755, 6297759, 10496265, 31488795]

約数ペア:

[(1, 31488795), (3, 10496265), (5, 6297759), (9, 3498755), (13, 2422215), (15, 2099253), (19, 1657305), (39, 807405), (45, 699751), (57, 552435), (65, 484443), (95, 331461), (117, 269135), (171, 184145), (195, 161481), (247, 127485), (285, 110487), (585, 53827), (741, 42495), (855, 36829), (1235, 25497), (2223, 14165), (2833, 11115), (3705, 8499)]