1977930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{21977}}^1$

素因数の和:21990

約数の個数: 24

約数和(自身を含む): 5142852

約数和(自身を除く): 3164922

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 21977, 43954, 65931, 109885, 131862, 197793, 219770, 329655, 395586, 659310, 988965, 1977930]

約数ペア:

[(1, 1977930), (2, 988965), (3, 659310), (5, 395586), (6, 329655), (9, 219770), (10, 197793), (15, 131862), (18, 109885), (30, 65931), (45, 43954), (90, 21977)]