9018737

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 12042240

約数和(自身を除く): 3023503

約数列:

[1, 7, 13, 23, 31, 91, 139, 161, 217, 299, 403, 713, 973, 1807, 2093, 2821, 3197, 4309, 4991, 9269, 12649, 22379, 30163, 41561, 56017, 64883, 99107, 290927, 392119, 693749, 1288391, 9018737]

約数ペア:

[(1, 9018737), (7, 1288391), (13, 693749), (23, 392119), (31, 290927), (91, 99107), (139, 64883), (161, 56017), (217, 41561), (299, 30163), (403, 22379), (713, 12649), (973, 9269), (1807, 4991), (2093, 4309), (2821, 3197)]