128520483

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 216992160

約数和(自身を除く): 88471677

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 109, 147, 273, 327, 617, 637, 763, 1417, 1851, 1911, 2289, 4251, 4319, 5341, 8021, 9919, 12957, 16023, 24063, 29757, 30233, 56147, 67253, 69433, 90699, 168441, 201759, 208299, 393029, 470771, 874289, 1179087, 1412313, 2622867, 3295397, 6120023, 9886191, 18360069, 42840161, 128520483]

約数ペア:

[(1, 128520483), (3, 42840161), (7, 18360069), (13, 9886191), (21, 6120023), (39, 3295397), (49, 2622867), (91, 1412313), (109, 1179087), (147, 874289), (273, 470771), (327, 393029), (617, 208299), (637, 201759), (763, 168441), (1417, 90699), (1851, 69433), (1911, 67253), (2289, 56147), (4251, 30233), (4319, 29757), (5341, 24063), (8021, 16023), (9919, 12957)]