66618945

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 121305600

約数和(自身を除く): 54686655

約数列:

[1, 3, 5, 9, 15, 29, 45, 71, 87, 145, 213, 261, 355, 435, 639, 719, 1065, 1305, 2059, 2157, 3195, 3595, 6177, 6471, 10295, 10785, 18531, 20851, 30885, 32355, 51049, 62553, 92655, 104255, 153147, 187659, 255245, 312765, 459441, 765735, 938295, 1480421, 2297205, 4441263, 7402105, 13323789, 22206315, 66618945]

約数ペア:

[(1, 66618945), (3, 22206315), (5, 13323789), (9, 7402105), (15, 4441263), (29, 2297205), (45, 1480421), (71, 938295), (87, 765735), (145, 459441), (213, 312765), (261, 255245), (355, 187659), (435, 153147), (639, 104255), (719, 92655), (1065, 62553), (1305, 51049), (2059, 32355), (2157, 30885), (3195, 20851), (3595, 18531), (6177, 10785), (6471, 10295)]