31771545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2671}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 55663104

約数和(自身を除く): 23891559

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 2671, 3965, 8013, 11895, 13355, 34723, 40065, 104169, 162931, 173615, 488793, 520845, 814655, 2118103, 2443965, 6354309, 10590515, 31771545]

約数ペア:

[(1, 31771545), (3, 10590515), (5, 6354309), (13, 2443965), (15, 2118103), (39, 814655), (61, 520845), (65, 488793), (183, 173615), (195, 162931), (305, 104169), (793, 40065), (915, 34723), (2379, 13355), (2671, 11895), (3965, 8013)]