220124547

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 341231616

約数和(自身を除く): 121107069

約数列:

[1, 3, 9, 27, 47, 67, 81, 141, 201, 423, 603, 863, 1269, 1809, 2589, 3149, 3807, 5427, 7767, 9447, 23301, 28341, 40561, 57821, 69903, 85023, 121683, 173463, 255069, 365049, 520389, 1095147, 1561167, 2717587, 3285441, 4683501, 8152761, 24458283, 73374849, 220124547]

約数ペア:

[(1, 220124547), (3, 73374849), (9, 24458283), (27, 8152761), (47, 4683501), (67, 3285441), (81, 2717587), (141, 1561167), (201, 1095147), (423, 520389), (603, 365049), (863, 255069), (1269, 173463), (1809, 121683), (2589, 85023), (3149, 69903), (3807, 57821), (5427, 40561), (7767, 28341), (9447, 23301)]