2220375

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 3833856

約数和(自身を除く): 1613481

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 191, 375, 465, 573, 775, 955, 2325, 2865, 3875, 4775, 5921, 11625, 14325, 17763, 23875, 29605, 71625, 88815, 148025, 444075, 740125, 2220375]

約数ペア:

[(1, 2220375), (3, 740125), (5, 444075), (15, 148025), (25, 88815), (31, 71625), (75, 29605), (93, 23875), (125, 17763), (155, 14325), (191, 11625), (375, 5921), (465, 4775), (573, 3875), (775, 2865), (955, 2325)]