281263669299

素因数分解:

$3^4\times {\mathrm{661}}^1\times {\mathrm{2287}}^1\times {\mathrm{2297}}^1$

素因数の和:5257

約数の個数: 40

約数和(自身を含む): 421162218048

約数和(自身を除く): 139898548749

約数列:

[1, 3, 9, 27, 81, 661, 1983, 2287, 2297, 5949, 6861, 6891, 17847, 20583, 20673, 53541, 61749, 62019, 185247, 186057, 1511707, 1518317, 4535121, 4554951, 5253239, 13605363, 13664853, 15759717, 40816089, 40994559, 47279151, 122448267, 122983677, 141837453, 425512359, 3472390979, 10417172937, 31251518811, 93754556433, 281263669299]

約数ペア:

[(1, 281263669299), (3, 93754556433), (9, 31251518811), (27, 10417172937), (81, 3472390979), (661, 425512359), (1983, 141837453), (2287, 122983677), (2297, 122448267), (5949, 47279151), (6861, 40994559), (6891, 40816089), (17847, 15759717), (20583, 13664853), (20673, 13605363), (53541, 5253239), (61749, 4554951), (62019, 4535121), (185247, 1518317), (186057, 1511707)]