215087187

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{797}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 334623744

約数和(自身を除く): 119536557

約数列:

[1, 3, 7, 21, 71, 181, 213, 497, 543, 797, 1267, 1491, 2391, 3801, 5579, 12851, 16737, 38553, 56587, 89957, 144257, 169761, 269871, 396109, 432771, 1009799, 1188327, 3029397, 10242247, 30726741, 71695729, 215087187]

約数ペア:

[(1, 215087187), (3, 71695729), (7, 30726741), (21, 10242247), (71, 3029397), (181, 1188327), (213, 1009799), (497, 432771), (543, 396109), (797, 269871), (1267, 169761), (1491, 144257), (2391, 89957), (3801, 56587), (5579, 38553), (12851, 16737)]