71756415

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2671}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 128256000

約数和(自身を除く): 56499585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1791, 2671, 2985, 5373, 8013, 8955, 13355, 24039, 26865, 40065, 72117, 120195, 360585, 531529, 1594587, 2657645, 4783761, 7972935, 14351283, 23918805, 71756415]

約数ペア:

[(1, 71756415), (3, 23918805), (5, 14351283), (9, 7972935), (15, 4783761), (27, 2657645), (45, 1594587), (135, 531529), (199, 360585), (597, 120195), (995, 72117), (1791, 40065), (2671, 26865), (2985, 24039), (5373, 13355), (8013, 8955)]