1019205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 2021760

約数和(自身を除く): 1002555

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 71, 87, 99, 145, 165, 213, 261, 319, 355, 435, 495, 639, 781, 957, 1065, 1305, 1595, 2059, 2343, 2871, 3195, 3905, 4785, 6177, 7029, 10295, 11715, 14355, 18531, 22649, 30885, 35145, 67947, 92655, 113245, 203841, 339735, 1019205]

約数ペア:

[(1, 1019205), (3, 339735), (5, 203841), (9, 113245), (11, 92655), (15, 67947), (29, 35145), (33, 30885), (45, 22649), (55, 18531), (71, 14355), (87, 11715), (99, 10295), (145, 7029), (165, 6177), (213, 4785), (261, 3905), (319, 3195), (355, 2871), (435, 2343), (495, 2059), (639, 1595), (781, 1305), (957, 1065)]