18047625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 33696000

約数和(自身を除く): 15648375

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 125, 149, 255, 285, 323, 375, 425, 447, 475, 745, 969, 1275, 1425, 1615, 2125, 2235, 2375, 2533, 2831, 3725, 4845, 6375, 7125, 7599, 8075, 8493, 11175, 12665, 14155, 18625, 24225, 37995, 40375, 42465, 48127, 55875, 63325, 70775, 121125, 144381, 189975, 212325, 240635, 316625, 353875, 721905, 949875, 1061625, 1203175, 3609525, 6015875, 18047625]

約数ペア:

[(1, 18047625), (3, 6015875), (5, 3609525), (15, 1203175), (17, 1061625), (19, 949875), (25, 721905), (51, 353875), (57, 316625), (75, 240635), (85, 212325), (95, 189975), (125, 144381), (149, 121125), (255, 70775), (285, 63325), (323, 55875), (375, 48127), (425, 42465), (447, 40375), (475, 37995), (745, 24225), (969, 18625), (1275, 14155), (1425, 12665), (1615, 11175), (2125, 8493), (2235, 8075), (2375, 7599), (2533, 7125), (2831, 6375), (3725, 4845)]