209486565

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 371329920

約数和(自身を除く): 161843355

約数列:

[1, 3, 5, 9, 15, 45, 71, 173, 213, 355, 379, 519, 639, 865, 1065, 1137, 1557, 1895, 2595, 3195, 3411, 5685, 7785, 12283, 17055, 26909, 36849, 61415, 65567, 80727, 110547, 134545, 184245, 196701, 242181, 327835, 403635, 552735, 590103, 983505, 1210905, 2950515, 4655257, 13965771, 23276285, 41897313, 69828855, 209486565]

約数ペア:

[(1, 209486565), (3, 69828855), (5, 41897313), (9, 23276285), (15, 13965771), (45, 4655257), (71, 2950515), (173, 1210905), (213, 983505), (355, 590103), (379, 552735), (519, 403635), (639, 327835), (865, 242181), (1065, 196701), (1137, 184245), (1557, 134545), (1895, 110547), (2595, 80727), (3195, 65567), (3411, 61415), (5685, 36849), (7785, 26909), (12283, 17055)]