420375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:96

約数の個数: 32

約数和(自身を含む): 748800

約数和(自身を除く): 328425

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 75, 95, 125, 177, 285, 295, 375, 475, 885, 1121, 1425, 1475, 2375, 3363, 4425, 5605, 7125, 7375, 16815, 22125, 28025, 84075, 140125, 420375]

約数ペア:

[(1, 420375), (3, 140125), (5, 84075), (15, 28025), (19, 22125), (25, 16815), (57, 7375), (59, 7125), (75, 5605), (95, 4425), (125, 3363), (177, 2375), (285, 1475), (295, 1425), (375, 1121), (475, 885)]