171645981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5387}}^1$

素因数の和:5465

約数の個数: 32

約数和(自身を含む): 265520640

約数和(自身を除く): 93874659

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 1677, 2451, 5387, 10621, 16161, 31863, 70031, 102353, 210093, 231641, 307059, 694923, 1330589, 3011333, 3991767, 4401179, 9033999, 13203537, 57215327, 171645981]

約数ペア:

[(1, 171645981), (3, 57215327), (13, 13203537), (19, 9033999), (39, 4401179), (43, 3991767), (57, 3011333), (129, 1330589), (247, 694923), (559, 307059), (741, 231641), (817, 210093), (1677, 102353), (2451, 70031), (5387, 31863), (10621, 16161)]