26816517

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 21406203

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 239, 273, 411, 717, 819, 959, 1233, 1673, 1781, 2151, 2877, 3107, 5019, 5343, 8631, 9321, 12467, 15057, 16029, 21749, 27963, 32743, 37401, 65247, 98229, 112203, 195741, 229201, 294687, 425659, 687603, 1276977, 2062809, 2979613, 3830931, 8938839, 26816517]

約数ペア:

[(1, 26816517), (3, 8938839), (7, 3830931), (9, 2979613), (13, 2062809), (21, 1276977), (39, 687603), (63, 425659), (91, 294687), (117, 229201), (137, 195741), (239, 112203), (273, 98229), (411, 65247), (717, 37401), (819, 32743), (959, 27963), (1233, 21749), (1673, 16029), (1781, 15057), (2151, 12467), (2877, 9321), (3107, 8631), (5019, 5343)]