644625

素因数分解:

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

素因数の和:215

約数の個数: 32

約数和(自身を含む): 1198080

約数和(自身を除く): 553455

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 191, 225, 375, 573, 675, 955, 1125, 1719, 2865, 3375, 4775, 5157, 8595, 14325, 23875, 25785, 42975, 71625, 128925, 214875, 644625]

約数ペア:

[(1, 644625), (3, 214875), (5, 128925), (9, 71625), (15, 42975), (25, 25785), (27, 23875), (45, 14325), (75, 8595), (125, 5157), (135, 4775), (191, 3375), (225, 2865), (375, 1719), (573, 1125), (675, 955)]