81268653

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 118063872

約数和(自身を除く): 36795219

約数列:

[1, 3, 17, 51, 61, 151, 173, 183, 453, 519, 1037, 2567, 2941, 3111, 7701, 8823, 9211, 10553, 26123, 27633, 31659, 78369, 156587, 179401, 444091, 469761, 538203, 1332273, 1593503, 4780509, 27089551, 81268653]

約数ペア:

[(1, 81268653), (3, 27089551), (17, 4780509), (51, 1593503), (61, 1332273), (151, 538203), (173, 469761), (183, 444091), (453, 179401), (519, 156587), (1037, 78369), (2567, 31659), (2941, 27633), (3111, 26123), (7701, 10553), (8823, 9211)]