213040125

素因数分解:

$3^4\times 5^3\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 405682992

約数和(自身を除く): 192642867

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 81, 125, 135, 159, 225, 265, 375, 397, 405, 477, 675, 795, 1125, 1191, 1325, 1431, 1985, 2025, 2385, 3375, 3573, 3975, 4293, 5955, 6625, 7155, 9925, 10125, 10719, 11925, 17865, 19875, 21041, 21465, 29775, 32157, 35775, 49625, 53595, 59625, 63123, 89325, 105205, 107325, 148875, 160785, 178875, 189369, 267975, 315615, 446625, 526025, 536625, 568107, 803925, 946845, 1339875, 1578075, 1704321, 2630125, 2840535, 4019625, 4734225, 7890375, 8521605, 14202675, 23671125, 42608025, 71013375, 213040125]

約数ペア:

[(1, 213040125), (3, 71013375), (5, 42608025), (9, 23671125), (15, 14202675), (25, 8521605), (27, 7890375), (45, 4734225), (53, 4019625), (75, 2840535), (81, 2630125), (125, 1704321), (135, 1578075), (159, 1339875), (225, 946845), (265, 803925), (375, 568107), (397, 536625), (405, 526025), (477, 446625), (675, 315615), (795, 267975), (1125, 189369), (1191, 178875), (1325, 160785), (1431, 148875), (1985, 107325), (2025, 105205), (2385, 89325), (3375, 63123), (3573, 59625), (3975, 53595), (4293, 49625), (5955, 35775), (6625, 32157), (7155, 29775), (9925, 21465), (10125, 21041), (10719, 19875), (11925, 17865)]