39725991

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 67184640

約数和(自身を除く): 27458649

約数列:

[1, 3, 9, 17, 23, 27, 51, 53, 69, 71, 153, 159, 207, 213, 391, 459, 477, 621, 639, 901, 1173, 1207, 1219, 1431, 1633, 1917, 2703, 3519, 3621, 3657, 3763, 4899, 8109, 10557, 10863, 10971, 11289, 14697, 20723, 24327, 27761, 32589, 32913, 33867, 44091, 62169, 63971, 83283, 86549, 101601, 186507, 191913, 249849, 259647, 559521, 575739, 749547, 778941, 1471333, 1727217, 2336823, 4413999, 13241997, 39725991]

約数ペア:

[(1, 39725991), (3, 13241997), (9, 4413999), (17, 2336823), (23, 1727217), (27, 1471333), (51, 778941), (53, 749547), (69, 575739), (71, 559521), (153, 259647), (159, 249849), (207, 191913), (213, 186507), (391, 101601), (459, 86549), (477, 83283), (621, 63971), (639, 62169), (901, 44091), (1173, 33867), (1207, 32913), (1219, 32589), (1431, 27761), (1633, 24327), (1917, 20723), (2703, 14697), (3519, 11289), (3621, 10971), (3657, 10863), (3763, 10557), (4899, 8109)]