72918855

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 134784000

約数和(自身を除く): 61865145

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 207, 235, 345, 423, 705, 1035, 1081, 1499, 2115, 3243, 4497, 5405, 7495, 9729, 13491, 16215, 22485, 34477, 48645, 67455, 70453, 103431, 172385, 211359, 310293, 352265, 517155, 634077, 1056795, 1551465, 1620419, 3170385, 4861257, 8102095, 14583771, 24306285, 72918855]

約数ペア:

[(1, 72918855), (3, 24306285), (5, 14583771), (9, 8102095), (15, 4861257), (23, 3170385), (45, 1620419), (47, 1551465), (69, 1056795), (115, 634077), (141, 517155), (207, 352265), (235, 310293), (345, 211359), (423, 172385), (705, 103431), (1035, 70453), (1081, 67455), (1499, 48645), (2115, 34477), (3243, 22485), (4497, 16215), (5405, 13491), (7495, 9729)]