172879455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^2\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 321315840

約数和(自身を除く): 148436385

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 239, 249, 415, 581, 717, 1195, 1245, 1673, 1743, 2905, 3585, 5019, 6889, 8365, 8715, 19837, 20667, 25095, 34445, 48223, 59511, 99185, 103335, 138859, 144669, 241115, 297555, 416577, 694295, 723345, 1646471, 2082885, 4939413, 8232355, 11525297, 24697065, 34575891, 57626485, 172879455]

約数ペア:

[(1, 172879455), (3, 57626485), (5, 34575891), (7, 24697065), (15, 11525297), (21, 8232355), (35, 4939413), (83, 2082885), (105, 1646471), (239, 723345), (249, 694295), (415, 416577), (581, 297555), (717, 241115), (1195, 144669), (1245, 138859), (1673, 103335), (1743, 99185), (2905, 59511), (3585, 48223), (5019, 34445), (6889, 25095), (8365, 20667), (8715, 19837)]