18481125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 35223552

約数和(自身を除く): 16742427

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 223, 255, 325, 375, 425, 663, 669, 975, 1105, 1115, 1275, 1625, 2125, 2899, 3315, 3345, 3791, 4875, 5525, 5575, 6375, 8697, 11373, 14495, 16575, 16725, 18955, 27625, 27875, 43485, 49283, 56865, 72475, 82875, 83625, 94775, 147849, 217425, 246415, 284325, 362375, 473875, 739245, 1087125, 1232075, 1421625, 3696225, 6160375, 18481125]

約数ペア:

[(1, 18481125), (3, 6160375), (5, 3696225), (13, 1421625), (15, 1232075), (17, 1087125), (25, 739245), (39, 473875), (51, 362375), (65, 284325), (75, 246415), (85, 217425), (125, 147849), (195, 94775), (221, 83625), (223, 82875), (255, 72475), (325, 56865), (375, 49283), (425, 43485), (663, 27875), (669, 27625), (975, 18955), (1105, 16725), (1115, 16575), (1275, 14495), (1625, 11373), (2125, 8697), (2899, 6375), (3315, 5575), (3345, 5525), (3791, 4875)]