2129985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 4350528

約数和(自身を除く): 2220543

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 331, 429, 495, 585, 715, 993, 1287, 1655, 2145, 2979, 3641, 4303, 4965, 6435, 10923, 12909, 14895, 18205, 21515, 32769, 38727, 47333, 54615, 64545, 141999, 163845, 193635, 236665, 425997, 709995, 2129985]

約数ペア:

[(1, 2129985), (3, 709995), (5, 425997), (9, 236665), (11, 193635), (13, 163845), (15, 141999), (33, 64545), (39, 54615), (45, 47333), (55, 38727), (65, 32769), (99, 21515), (117, 18205), (143, 14895), (165, 12909), (195, 10923), (331, 6435), (429, 4965), (495, 4303), (585, 3641), (715, 2979), (993, 2145), (1287, 1655)]