66887325

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 125349120

約数和(自身を除く): 58461795

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 71, 75, 79, 159, 213, 225, 237, 265, 355, 395, 477, 639, 711, 795, 1065, 1185, 1325, 1775, 1975, 2385, 3195, 3555, 3763, 3975, 4187, 5325, 5609, 5925, 11289, 11925, 12561, 15975, 16827, 17775, 18815, 20935, 28045, 33867, 37683, 50481, 56445, 62805, 84135, 94075, 104675, 140225, 169335, 188415, 252405, 282225, 297277, 314025, 420675, 846675, 891831, 942075, 1262025, 1486385, 2675493, 4459155, 7431925, 13377465, 22295775, 66887325]

約数ペア:

[(1, 66887325), (3, 22295775), (5, 13377465), (9, 7431925), (15, 4459155), (25, 2675493), (45, 1486385), (53, 1262025), (71, 942075), (75, 891831), (79, 846675), (159, 420675), (213, 314025), (225, 297277), (237, 282225), (265, 252405), (355, 188415), (395, 169335), (477, 140225), (639, 104675), (711, 94075), (795, 84135), (1065, 62805), (1185, 56445), (1325, 50481), (1775, 37683), (1975, 33867), (2385, 28045), (3195, 20935), (3555, 18815), (3763, 17775), (3975, 16827), (4187, 15975), (5325, 12561), (5609, 11925), (5925, 11289)]