31577715

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:993

約数の個数: 64

約数和(自身を含む): 63705600

約数和(自身を除く): 32127885

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 585, 741, 855, 947, 1235, 1755, 2223, 2565, 2841, 3705, 4735, 6669, 8523, 11115, 12311, 14205, 17993, 25569, 33345, 36933, 42615, 53979, 61555, 89965, 110799, 127845, 161937, 184665, 233909, 269895, 332397, 485811, 553995, 701727, 809685, 1169545, 1661985, 2105181, 2429055, 3508635, 6315543, 10525905, 31577715]

約数ペア:

[(1, 31577715), (3, 10525905), (5, 6315543), (9, 3508635), (13, 2429055), (15, 2105181), (19, 1661985), (27, 1169545), (39, 809685), (45, 701727), (57, 553995), (65, 485811), (95, 332397), (117, 269895), (135, 233909), (171, 184665), (195, 161937), (247, 127845), (285, 110799), (351, 89965), (513, 61555), (585, 53979), (741, 42615), (855, 36933), (947, 33345), (1235, 25569), (1755, 17993), (2223, 14205), (2565, 12311), (2841, 11115), (3705, 8523), (4735, 6669)]