81657390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2721913}}^1$

素因数の和:2721923

約数の個数: 16

約数和(自身を含む): 195977808

約数和(自身を除く): 114320418

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2721913, 5443826, 8165739, 13609565, 16331478, 27219130, 40828695, 81657390]

約数ペア:

[(1, 81657390), (2, 40828695), (3, 27219130), (5, 16331478), (6, 13609565), (10, 8165739), (15, 5443826), (30, 2721913)]