720461007

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131447}}^1$

素因数の和:131492

約数の個数: 32

約数和(自身を含む): 1261900800

約数和(自身を除く): 541439793

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 131447, 394341, 920129, 1183023, 2760387, 3549069, 3811963, 8281161, 11435889, 24843483, 26683741, 34307667, 80051223, 102923001, 240153669, 720461007]

約数ペア:

[(1, 720461007), (3, 240153669), (7, 102923001), (9, 80051223), (21, 34307667), (27, 26683741), (29, 24843483), (63, 11435889), (87, 8281161), (189, 3811963), (203, 3549069), (261, 2760387), (609, 1183023), (783, 920129), (1827, 394341), (5481, 131447)]