74878857

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 115522560

約数和(自身を除く): 40643703

約数列:

[1, 3, 9, 27, 31, 93, 137, 279, 411, 653, 837, 1233, 1959, 3699, 4247, 5877, 12741, 17631, 20243, 38223, 60729, 89461, 114669, 182187, 268383, 546561, 805149, 2415447, 2773291, 8319873, 24959619, 74878857]

約数ペア:

[(1, 74878857), (3, 24959619), (9, 8319873), (27, 2773291), (31, 2415447), (93, 805149), (137, 546561), (279, 268383), (411, 182187), (653, 114669), (837, 89461), (1233, 60729), (1959, 38223), (3699, 20243), (4247, 17631), (5877, 12741)]