20170070091

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{563}}^1\times {\mathrm{1721}}^1$

素因数の和:2553

約数の個数: 40

約数和(自身を含む): 30319171344

約数和(自身を除く): 10149101253

約数列:

[1, 3, 9, 27, 81, 257, 563, 771, 1689, 1721, 2313, 5067, 5163, 6939, 15201, 15489, 20817, 45603, 46467, 139401, 144691, 434073, 442297, 968923, 1302219, 1326891, 2906769, 3906657, 3980673, 8720307, 11719971, 11942019, 26160921, 35826057, 78482763, 249013211, 747039633, 2241118899, 6723356697, 20170070091]

約数ペア:

[(1, 20170070091), (3, 6723356697), (9, 2241118899), (27, 747039633), (81, 249013211), (257, 78482763), (563, 35826057), (771, 26160921), (1689, 11942019), (1721, 11719971), (2313, 8720307), (5067, 3980673), (5163, 3906657), (6939, 2906769), (15201, 1326891), (15489, 1302219), (20817, 968923), (45603, 442297), (46467, 434073), (139401, 144691)]