61788909

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{947}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 101928960

約数和(自身を除く): 40140051

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 717, 947, 1673, 2841, 3107, 5019, 6629, 9321, 12311, 19887, 21749, 36933, 65247, 86177, 226333, 258531, 678999, 1584331, 2942329, 4752993, 8826987, 20596303, 61788909]

約数ペア:

[(1, 61788909), (3, 20596303), (7, 8826987), (13, 4752993), (21, 2942329), (39, 1584331), (91, 678999), (239, 258531), (273, 226333), (717, 86177), (947, 65247), (1673, 36933), (2841, 21749), (3107, 19887), (5019, 12311), (6629, 9321)]