317956509

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 516245184

約数和(自身を除く): 198288675

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 251, 351, 401, 753, 1053, 1203, 2259, 3159, 3263, 3609, 5213, 6777, 9789, 10827, 15639, 20331, 29367, 32481, 46917, 60993, 88101, 97443, 100651, 140751, 264303, 301953, 422253, 792909, 905859, 1266759, 1308463, 2717577, 3925389, 8152731, 11776167, 24458193, 35328501, 105985503, 317956509]

約数ペア:

[(1, 317956509), (3, 105985503), (9, 35328501), (13, 24458193), (27, 11776167), (39, 8152731), (81, 3925389), (117, 2717577), (243, 1308463), (251, 1266759), (351, 905859), (401, 792909), (753, 422253), (1053, 301953), (1203, 264303), (2259, 140751), (3159, 100651), (3263, 97443), (3609, 88101), (5213, 60993), (6777, 46917), (9789, 32481), (10827, 29367), (15639, 20331)]