8978529

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 14316544

約数和(自身を除く): 5338015

約数列:

[1, 3, 7, 21, 43, 61, 129, 163, 183, 301, 427, 489, 903, 1141, 1281, 2623, 3423, 7009, 7869, 9943, 18361, 21027, 29829, 49063, 55083, 69601, 147189, 208803, 427549, 1282647, 2992843, 8978529]

約数ペア:

[(1, 8978529), (3, 2992843), (7, 1282647), (21, 427549), (43, 208803), (61, 147189), (129, 69601), (163, 55083), (183, 49063), (301, 29829), (427, 21027), (489, 18361), (903, 9943), (1141, 7869), (1281, 7009), (2623, 3423)]