2018078145

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{160739}}^1$

素因数の和:160787

約数の個数: 40

約数和(自身を含む): 3734311680

約数和(自身を除く): 1716233535

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 12555, 160739, 482217, 803695, 1446651, 2411085, 4339953, 4982909, 7233255, 13019859, 14948727, 21699765, 24914545, 44846181, 65099295, 74743635, 134538543, 224230905, 403615629, 672692715, 2018078145]

約数ペア:

[(1, 2018078145), (3, 672692715), (5, 403615629), (9, 224230905), (15, 134538543), (27, 74743635), (31, 65099295), (45, 44846181), (81, 24914545), (93, 21699765), (135, 14948727), (155, 13019859), (279, 7233255), (405, 4982909), (465, 4339953), (837, 2411085), (1395, 1446651), (2511, 803695), (4185, 482217), (12555, 160739)]