51540111

素因数分解:

$3^3\times 7^2\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 89740800

約数和(自身を除く): 38200689

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 163, 189, 239, 441, 489, 717, 1141, 1323, 1467, 1673, 2151, 3423, 4401, 5019, 6453, 7987, 10269, 11711, 15057, 23961, 30807, 35133, 38957, 45171, 71883, 105399, 116871, 215649, 272699, 316197, 350613, 818097, 1051839, 1908893, 2454291, 5726679, 7362873, 17180037, 51540111]

約数ペア:

[(1, 51540111), (3, 17180037), (7, 7362873), (9, 5726679), (21, 2454291), (27, 1908893), (49, 1051839), (63, 818097), (147, 350613), (163, 316197), (189, 272699), (239, 215649), (441, 116871), (489, 105399), (717, 71883), (1141, 45171), (1323, 38957), (1467, 35133), (1673, 30807), (2151, 23961), (3423, 15057), (4401, 11711), (5019, 10269), (6453, 7987)]