213520629

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{2207}}^1$

素因数の和:2505

約数の個数: 32

約数和(自身を含む): 345931776

約数和(自身を除く): 132411147

約数列:

[1, 3, 7, 17, 21, 51, 119, 271, 357, 813, 1897, 2207, 4607, 5691, 6621, 13821, 15449, 32249, 37519, 46347, 96747, 112557, 262633, 598097, 787899, 1794291, 4186679, 10167649, 12560037, 30502947, 71173543, 213520629]

約数ペア:

[(1, 213520629), (3, 71173543), (7, 30502947), (17, 12560037), (21, 10167649), (51, 4186679), (119, 1794291), (271, 787899), (357, 598097), (813, 262633), (1897, 112557), (2207, 96747), (4607, 46347), (5691, 37519), (6621, 32249), (13821, 15449)]