491330295

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2664

約数の個数: 48

約数和(自身を含む): 878140224

約数和(自身を除く): 386809929

約数列:

[1, 3, 5, 9, 15, 45, 61, 71, 183, 213, 305, 355, 549, 639, 915, 1065, 2521, 2745, 3195, 4331, 7563, 12605, 12993, 21655, 22689, 37815, 38979, 64965, 113445, 153781, 178991, 194895, 461343, 536973, 768905, 894955, 1384029, 1610919, 2306715, 2684865, 6920145, 8054595, 10918451, 32755353, 54592255, 98266059, 163776765, 491330295]

約数ペア:

[(1, 491330295), (3, 163776765), (5, 98266059), (9, 54592255), (15, 32755353), (45, 10918451), (61, 8054595), (71, 6920145), (183, 2684865), (213, 2306715), (305, 1610919), (355, 1384029), (549, 894955), (639, 768905), (915, 536973), (1065, 461343), (2521, 194895), (2745, 178991), (3195, 153781), (4331, 113445), (7563, 64965), (12605, 38979), (12993, 37815), (21655, 22689)]