217740003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 322350336

約数和(自身を除く): 104610333

約数列:

[1, 3, 13, 39, 43, 129, 157, 471, 559, 827, 1677, 2041, 2481, 6123, 6751, 10751, 20253, 32253, 35561, 87763, 106683, 129839, 263289, 389517, 462293, 1386879, 1687907, 5063721, 5583077, 16749231, 72580001, 217740003]

約数ペア:

[(1, 217740003), (3, 72580001), (13, 16749231), (39, 5583077), (43, 5063721), (129, 1687907), (157, 1386879), (471, 462293), (559, 389517), (827, 263289), (1677, 129839), (2041, 106683), (2481, 87763), (6123, 35561), (6751, 32253), (10751, 20253)]