662415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 1182720

約数和(自身を除く): 520305

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 79, 129, 195, 215, 237, 395, 559, 645, 1027, 1185, 1677, 2795, 3081, 3397, 5135, 8385, 10191, 15405, 16985, 44161, 50955, 132483, 220805, 662415]

約数ペア:

[(1, 662415), (3, 220805), (5, 132483), (13, 50955), (15, 44161), (39, 16985), (43, 15405), (65, 10191), (79, 8385), (129, 5135), (195, 3397), (215, 3081), (237, 2795), (395, 1677), (559, 1185), (645, 1027)]