263790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{977}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 704160

約数和(自身を除く): 440370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 977, 1954, 2931, 4885, 5862, 8793, 9770, 14655, 17586, 26379, 29310, 43965, 52758, 87930, 131895, 263790]

約数ペア:

[(1, 263790), (2, 131895), (3, 87930), (5, 52758), (6, 43965), (9, 29310), (10, 26379), (15, 17586), (18, 14655), (27, 9770), (30, 8793), (45, 5862), (54, 4885), (90, 2931), (135, 1954), (270, 977)]