11990025

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 60

約数和(自身を含む): 23046144

約数和(自身を除く): 11056119

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 191, 225, 279, 405, 465, 573, 675, 775, 837, 955, 1395, 1719, 2025, 2325, 2511, 2865, 4185, 4775, 5157, 5921, 6975, 8595, 12555, 14325, 15471, 17763, 20925, 25785, 29605, 42975, 53289, 62775, 77355, 88815, 128925, 148025, 159867, 266445, 386775, 444075, 479601, 799335, 1332225, 2398005, 3996675, 11990025]

約数ペア:

[(1, 11990025), (3, 3996675), (5, 2398005), (9, 1332225), (15, 799335), (25, 479601), (27, 444075), (31, 386775), (45, 266445), (75, 159867), (81, 148025), (93, 128925), (135, 88815), (155, 77355), (191, 62775), (225, 53289), (279, 42975), (405, 29605), (465, 25785), (573, 20925), (675, 17763), (775, 15471), (837, 14325), (955, 12555), (1395, 8595), (1719, 6975), (2025, 5921), (2325, 5157), (2511, 4775), (2865, 4185)]