81904446

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{38891}}^1$

素因数の和:38918

約数の個数: 40

約数和(自身を含む): 197649144

約数和(自身を除く): 115744698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 38891, 77782, 116673, 233346, 350019, 505583, 700038, 1011166, 1050057, 1516749, 2100114, 3033498, 3150171, 4550247, 6300342, 9100494, 13650741, 27301482, 40952223, 81904446]

約数ペア:

[(1, 81904446), (2, 40952223), (3, 27301482), (6, 13650741), (9, 9100494), (13, 6300342), (18, 4550247), (26, 3150171), (27, 3033498), (39, 2100114), (54, 1516749), (78, 1050057), (81, 1011166), (117, 700038), (162, 505583), (234, 350019), (351, 233346), (702, 116673), (1053, 77782), (2106, 38891)]