81910647

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 147184128

約数和(自身を除く): 65273481

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 103, 117, 273, 309, 721, 819, 927, 971, 1339, 2163, 2913, 4017, 6489, 6797, 8739, 9373, 12051, 12623, 20391, 28119, 37869, 61173, 84357, 88361, 100013, 113607, 265083, 300039, 700091, 795249, 900117, 1300169, 2100273, 3900507, 6300819, 9101183, 11701521, 27303549, 81910647]

約数ペア:

[(1, 81910647), (3, 27303549), (7, 11701521), (9, 9101183), (13, 6300819), (21, 3900507), (39, 2100273), (63, 1300169), (91, 900117), (103, 795249), (117, 700091), (273, 300039), (309, 265083), (721, 113607), (819, 100013), (927, 88361), (971, 84357), (1339, 61173), (2163, 37869), (2913, 28119), (4017, 20391), (6489, 12623), (6797, 12051), (8739, 9373)]