55615815

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2591}}^1$

素因数の和:2661

約数の個数: 40

約数和(自身を含む): 101616768

約数和(自身を除く): 46000953

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 2591, 4293, 7155, 7773, 12955, 21465, 23319, 38865, 69957, 116595, 137323, 209871, 349785, 411969, 686615, 1049355, 1235907, 2059845, 3707721, 6179535, 11123163, 18538605, 55615815]

約数ペア:

[(1, 55615815), (3, 18538605), (5, 11123163), (9, 6179535), (15, 3707721), (27, 2059845), (45, 1235907), (53, 1049355), (81, 686615), (135, 411969), (159, 349785), (265, 209871), (405, 137323), (477, 116595), (795, 69957), (1431, 38865), (2385, 23319), (2591, 21465), (4293, 12955), (7155, 7773)]