17291729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 22874880

約数和(自身を除く): 5583151

約数列:

[1, 7, 13, 19, 73, 91, 133, 137, 247, 511, 949, 959, 1387, 1729, 1781, 2603, 6643, 9709, 10001, 12467, 18031, 18221, 33839, 70007, 126217, 130013, 190019, 236873, 910091, 1330133, 2470247, 17291729]

約数ペア:

[(1, 17291729), (7, 2470247), (13, 1330133), (19, 910091), (73, 236873), (91, 190019), (133, 130013), (137, 126217), (247, 70007), (511, 33839), (949, 18221), (959, 18031), (1387, 12467), (1729, 10001), (1781, 9709), (2603, 6643)]