61644375

素因数分解:

$3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 80

約数和(自身を含む): 123335520

約数和(自身を除く): 61691145

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 281, 325, 351, 375, 585, 625, 675, 843, 975, 1125, 1405, 1625, 1755, 1875, 2529, 2925, 3375, 3653, 4215, 4875, 5625, 7025, 7587, 8125, 8775, 10959, 12645, 14625, 16875, 18265, 21075, 24375, 32877, 35125, 37935, 43875, 54795, 63225, 73125, 91325, 98631, 105375, 164385, 175625, 189675, 219375, 273975, 316125, 456625, 493155, 526875, 821925, 948375, 1369875, 1580625, 2283125, 2465775, 4109625, 4741875, 6849375, 12328875, 20548125, 61644375]

約数ペア:

[(1, 61644375), (3, 20548125), (5, 12328875), (9, 6849375), (13, 4741875), (15, 4109625), (25, 2465775), (27, 2283125), (39, 1580625), (45, 1369875), (65, 948375), (75, 821925), (117, 526875), (125, 493155), (135, 456625), (195, 316125), (225, 273975), (281, 219375), (325, 189675), (351, 175625), (375, 164385), (585, 105375), (625, 98631), (675, 91325), (843, 73125), (975, 63225), (1125, 54795), (1405, 43875), (1625, 37935), (1755, 35125), (1875, 32877), (2529, 24375), (2925, 21075), (3375, 18265), (3653, 16875), (4215, 14625), (4875, 12645), (5625, 10959), (7025, 8775), (7587, 8125)]