201758781

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{659}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 314265600

約数和(自身を除く): 112506819

約数列:

[1, 3, 7, 21, 61, 183, 239, 427, 659, 717, 1281, 1673, 1977, 4613, 5019, 13839, 14579, 40199, 43737, 102053, 120597, 157501, 281393, 306159, 472503, 844179, 1102507, 3307521, 9607561, 28822683, 67252927, 201758781]

約数ペア:

[(1, 201758781), (3, 67252927), (7, 28822683), (21, 9607561), (61, 3307521), (183, 1102507), (239, 844179), (427, 472503), (659, 306159), (717, 281393), (1281, 157501), (1673, 120597), (1977, 102053), (4613, 43737), (5019, 40199), (13839, 14579)]