64715193

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 100362240

約数和(自身を除く): 35647047

約数列:

[1, 3, 9, 27, 47, 81, 89, 141, 191, 267, 423, 573, 801, 1269, 1719, 2403, 3807, 4183, 5157, 7209, 8977, 12549, 15471, 16999, 26931, 37647, 50997, 80793, 112941, 152991, 242379, 338823, 458973, 727137, 798953, 1376919, 2396859, 7190577, 21571731, 64715193]

約数ペア:

[(1, 64715193), (3, 21571731), (9, 7190577), (27, 2396859), (47, 1376919), (81, 798953), (89, 727137), (141, 458973), (191, 338823), (267, 242379), (423, 152991), (573, 112941), (801, 80793), (1269, 50997), (1719, 37647), (2403, 26931), (3807, 16999), (4183, 15471), (5157, 12549), (7209, 8977)]