305490003

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{2549}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 502656000

約数和(自身を除く): 197165997

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 439, 1317, 2549, 3073, 5707, 7647, 9219, 17121, 17843, 33137, 39949, 53529, 99411, 119847, 231959, 695877, 1119011, 3357033, 7833077, 14547143, 23499231, 43641429, 101830001, 305490003]

約数ペア:

[(1, 305490003), (3, 101830001), (7, 43641429), (13, 23499231), (21, 14547143), (39, 7833077), (91, 3357033), (273, 1119011), (439, 695877), (1317, 231959), (2549, 119847), (3073, 99411), (5707, 53529), (7647, 39949), (9219, 33137), (17121, 17843)]