217487985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2473}}^1$

素因数の和:2546

約数の個数: 64

約数和(自身を含む): 418957056

約数和(自身を除く): 201469071

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 41, 55, 65, 123, 143, 165, 195, 205, 429, 451, 533, 615, 715, 1353, 1599, 2145, 2255, 2473, 2665, 5863, 6765, 7419, 7995, 12365, 17589, 27203, 29315, 32149, 37095, 81609, 87945, 96447, 101393, 136015, 160745, 304179, 353639, 408045, 482235, 506965, 1060917, 1115323, 1318109, 1520895, 1768195, 3345969, 3954327, 5304585, 5576615, 6590545, 14499199, 16729845, 19771635, 43497597, 72495995, 217487985]

約数ペア:

[(1, 217487985), (3, 72495995), (5, 43497597), (11, 19771635), (13, 16729845), (15, 14499199), (33, 6590545), (39, 5576615), (41, 5304585), (55, 3954327), (65, 3345969), (123, 1768195), (143, 1520895), (165, 1318109), (195, 1115323), (205, 1060917), (429, 506965), (451, 482235), (533, 408045), (615, 353639), (715, 304179), (1353, 160745), (1599, 136015), (2145, 101393), (2255, 96447), (2473, 87945), (2665, 81609), (5863, 37095), (6765, 32149), (7419, 29315), (7995, 27203), (12365, 17589)]