717213

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 32

約数和(自身を含む): 1209600

約数和(自身を除く): 492387

約数列:

[1, 3, 7, 17, 21, 41, 49, 51, 119, 123, 147, 287, 343, 357, 697, 833, 861, 1029, 2009, 2091, 2499, 4879, 5831, 6027, 14063, 14637, 17493, 34153, 42189, 102459, 239071, 717213]

約数ペア:

[(1, 717213), (3, 239071), (7, 102459), (17, 42189), (21, 34153), (41, 17493), (49, 14637), (51, 14063), (119, 6027), (123, 5831), (147, 4879), (287, 2499), (343, 2091), (357, 2009), (697, 1029), (833, 861)]