16538625

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 30428112

約数和(自身を除く): 13889487

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 241, 305, 375, 549, 723, 915, 1125, 1205, 1525, 2169, 2745, 3615, 4575, 6025, 7625, 10845, 13725, 14701, 18075, 22875, 30125, 44103, 54225, 68625, 73505, 90375, 132309, 220515, 271125, 367525, 661545, 1102575, 1837625, 3307725, 5512875, 16538625]

約数ペア:

[(1, 16538625), (3, 5512875), (5, 3307725), (9, 1837625), (15, 1102575), (25, 661545), (45, 367525), (61, 271125), (75, 220515), (125, 132309), (183, 90375), (225, 73505), (241, 68625), (305, 54225), (375, 44103), (549, 30125), (723, 22875), (915, 18075), (1125, 14701), (1205, 13725), (1525, 10845), (2169, 7625), (2745, 6025), (3615, 4575)]