212618925

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 408029440

約数和(自身を除く): 195410515

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 243, 279, 405, 465, 675, 775, 837, 1129, 1215, 1395, 2025, 2325, 2511, 3387, 4185, 5645, 6075, 6975, 7533, 10161, 12555, 16935, 20925, 28225, 30483, 34999, 37665, 50805, 62775, 84675, 91449, 104997, 152415, 174995, 188325, 254025, 274347, 314991, 457245, 524985, 762075, 874975, 944973, 1371735, 1574955, 2286225, 2624925, 2834919, 4724865, 6858675, 7874775, 8504757, 14174595, 23624325, 42523785, 70872975, 212618925]

約数ペア:

[(1, 212618925), (3, 70872975), (5, 42523785), (9, 23624325), (15, 14174595), (25, 8504757), (27, 7874775), (31, 6858675), (45, 4724865), (75, 2834919), (81, 2624925), (93, 2286225), (135, 1574955), (155, 1371735), (225, 944973), (243, 874975), (279, 762075), (405, 524985), (465, 457245), (675, 314991), (775, 274347), (837, 254025), (1129, 188325), (1215, 174995), (1395, 152415), (2025, 104997), (2325, 91449), (2511, 84675), (3387, 62775), (4185, 50805), (5645, 37665), (6075, 34999), (6975, 30483), (7533, 28225), (10161, 20925), (12555, 16935)]