720881091

素因数分解:

$3^2\times 7^2\times {\mathrm{607}}^1\times {\mathrm{2693}}^1$

素因数の和:3320

約数の個数: 36

約数和(自身を含む): 1213722432

約数和(自身を除く): 492841341

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 607, 1821, 2693, 4249, 5463, 8079, 12747, 18851, 24237, 29743, 38241, 56553, 89229, 131957, 169659, 267687, 395871, 1187613, 1634651, 4903953, 11442557, 14711859, 34327671, 80097899, 102983013, 240293697, 720881091]

約数ペア:

[(1, 720881091), (3, 240293697), (7, 102983013), (9, 80097899), (21, 34327671), (49, 14711859), (63, 11442557), (147, 4903953), (441, 1634651), (607, 1187613), (1821, 395871), (2693, 267687), (4249, 169659), (5463, 131957), (8079, 89229), (12747, 56553), (18851, 38241), (24237, 29743)]