1789905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 3153024

約数和(自身を除く): 1363119

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 137, 195, 201, 335, 411, 685, 871, 1005, 1781, 2055, 2613, 4355, 5343, 8905, 9179, 13065, 26715, 27537, 45895, 119327, 137685, 357981, 596635, 1789905]

約数ペア:

[(1, 1789905), (3, 596635), (5, 357981), (13, 137685), (15, 119327), (39, 45895), (65, 27537), (67, 26715), (137, 13065), (195, 9179), (201, 8905), (335, 5343), (411, 4355), (685, 2613), (871, 2055), (1005, 1781)]