409457619

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2287}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 640640000

約数和(自身を除く): 231182381

約数列:

[1, 3, 9, 19, 27, 57, 171, 349, 513, 1047, 2287, 3141, 6631, 6861, 9423, 19893, 20583, 43453, 59679, 61749, 130359, 179037, 391077, 798163, 1173231, 2394489, 7183467, 15165097, 21550401, 45495291, 136485873, 409457619]

約数ペア:

[(1, 409457619), (3, 136485873), (9, 45495291), (19, 21550401), (27, 15165097), (57, 7183467), (171, 2394489), (349, 1173231), (513, 798163), (1047, 391077), (2287, 179037), (3141, 130359), (6631, 61749), (6861, 59679), (9423, 43453), (19893, 20583)]