31305105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 59492160

約数和(自身を除く): 28187055

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 531, 585, 767, 885, 907, 2301, 2655, 2721, 3835, 4535, 6903, 8163, 11505, 11791, 13605, 34515, 35373, 40815, 53513, 58955, 106119, 160539, 176865, 267565, 481617, 530595, 695669, 802695, 2087007, 2408085, 3478345, 6261021, 10435035, 31305105]

約数ペア:

[(1, 31305105), (3, 10435035), (5, 6261021), (9, 3478345), (13, 2408085), (15, 2087007), (39, 802695), (45, 695669), (59, 530595), (65, 481617), (117, 267565), (177, 176865), (195, 160539), (295, 106119), (531, 58955), (585, 53513), (767, 40815), (885, 35373), (907, 34515), (2301, 13605), (2655, 11791), (2721, 11505), (3835, 8163), (4535, 6903)]