40872357

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 65415168

約数和(自身を除く): 24542811

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 103, 207, 213, 243, 309, 621, 639, 927, 1633, 1863, 1917, 2369, 2781, 4899, 5589, 5751, 7107, 7313, 8343, 14697, 17253, 21321, 21939, 25029, 44091, 63963, 65817, 132273, 168199, 191889, 197451, 396819, 504597, 575667, 592353, 1513791, 1777059, 4541373, 13624119, 40872357]

約数ペア:

[(1, 40872357), (3, 13624119), (9, 4541373), (23, 1777059), (27, 1513791), (69, 592353), (71, 575667), (81, 504597), (103, 396819), (207, 197451), (213, 191889), (243, 168199), (309, 132273), (621, 65817), (639, 63963), (927, 44091), (1633, 25029), (1863, 21939), (1917, 21321), (2369, 17253), (2781, 14697), (4899, 8343), (5589, 7313), (5751, 7107)]