2649105

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 4925184

約数和(自身を除く): 2276079

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 211, 279, 405, 465, 633, 837, 1055, 1395, 1899, 2511, 3165, 4185, 5697, 6541, 9495, 12555, 17091, 19623, 28485, 32705, 58869, 85455, 98115, 176607, 294345, 529821, 883035, 2649105]

約数ペア:

[(1, 2649105), (3, 883035), (5, 529821), (9, 294345), (15, 176607), (27, 98115), (31, 85455), (45, 58869), (81, 32705), (93, 28485), (135, 19623), (155, 17091), (211, 12555), (279, 9495), (405, 6541), (465, 5697), (633, 4185), (837, 3165), (1055, 2511), (1395, 1899)]