23145213

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 15158787

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 569, 1043, 1707, 1937, 3129, 3983, 5811, 7397, 11949, 13559, 22191, 40677, 51779, 84781, 155337, 254343, 593467, 1102153, 1780401, 3306459, 7715071, 23145213]

約数ペア:

[(1, 23145213), (3, 7715071), (7, 3306459), (13, 1780401), (21, 1102153), (39, 593467), (91, 254343), (149, 155337), (273, 84781), (447, 51779), (569, 40677), (1043, 22191), (1707, 13559), (1937, 11949), (3129, 7397), (3983, 5811)]