219981645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{719}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 411989760

約数和(自身を除く): 192008115

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 523, 585, 719, 1569, 2157, 2615, 3595, 4707, 6471, 6799, 7845, 9347, 10785, 20397, 23535, 28041, 32355, 33995, 46735, 61191, 84123, 101985, 140205, 305955, 376037, 420615, 1128111, 1880185, 3384333, 4888481, 5640555, 14665443, 16921665, 24442405, 43996329, 73327215, 219981645]

約数ペア:

[(1, 219981645), (3, 73327215), (5, 43996329), (9, 24442405), (13, 16921665), (15, 14665443), (39, 5640555), (45, 4888481), (65, 3384333), (117, 1880185), (195, 1128111), (523, 420615), (585, 376037), (719, 305955), (1569, 140205), (2157, 101985), (2615, 84123), (3595, 61191), (4707, 46735), (6471, 33995), (6799, 32355), (7845, 28041), (9347, 23535), (10785, 20397)]