258465753

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{787}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 461225856

約数和(自身を除く): 202760103

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 401, 787, 819, 1203, 2361, 2807, 3609, 5213, 5509, 7083, 8421, 10231, 15639, 16527, 25263, 30693, 36491, 46917, 49581, 71617, 92079, 109473, 214851, 315587, 328419, 644553, 946761, 2209109, 2840283, 4102631, 6627327, 12307893, 19881981, 28718417, 36923679, 86155251, 258465753]

約数ペア:

[(1, 258465753), (3, 86155251), (7, 36923679), (9, 28718417), (13, 19881981), (21, 12307893), (39, 6627327), (63, 4102631), (91, 2840283), (117, 2209109), (273, 946761), (401, 644553), (787, 328419), (819, 315587), (1203, 214851), (2361, 109473), (2807, 92079), (3609, 71617), (5213, 49581), (5509, 46917), (7083, 36491), (8421, 30693), (10231, 25263), (15639, 16527)]