313089231

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{1877}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 527883264

約数和(自身を除く): 214794033

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 169, 273, 329, 507, 611, 987, 1183, 1833, 1877, 3549, 4277, 5631, 7943, 12831, 13139, 23829, 24401, 39417, 55601, 73203, 88219, 166803, 170807, 264657, 317213, 512421, 617533, 951639, 1146847, 1852599, 2220491, 3440541, 6661473, 8027929, 14909011, 24083787, 44727033, 104363077, 313089231]

約数ペア:

[(1, 313089231), (3, 104363077), (7, 44727033), (13, 24083787), (21, 14909011), (39, 8027929), (47, 6661473), (91, 3440541), (141, 2220491), (169, 1852599), (273, 1146847), (329, 951639), (507, 617533), (611, 512421), (987, 317213), (1183, 264657), (1833, 170807), (1877, 166803), (3549, 88219), (4277, 73203), (5631, 55601), (7943, 39417), (12831, 24401), (13139, 23829)]