31861401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 52176960

約数和(自身を除く): 20315559

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 169, 197, 319, 377, 429, 507, 591, 957, 1131, 1859, 2167, 2561, 4147, 4901, 5577, 5713, 6501, 7683, 12441, 14703, 17139, 28171, 33293, 53911, 62843, 74269, 84513, 99879, 161733, 188529, 222807, 366223, 816959, 965497, 1098669, 2450877, 2896491, 10620467, 31861401]

約数ペア:

[(1, 31861401), (3, 10620467), (11, 2896491), (13, 2450877), (29, 1098669), (33, 965497), (39, 816959), (87, 366223), (143, 222807), (169, 188529), (197, 161733), (319, 99879), (377, 84513), (429, 74269), (507, 62843), (591, 53911), (957, 33293), (1131, 28171), (1859, 17139), (2167, 14703), (2561, 12441), (4147, 7683), (4901, 6501), (5577, 5713)]