15390243

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 26205696

約数和(自身を除く): 10815453

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 751, 759, 891, 1863, 2253, 2277, 6759, 6831, 8261, 17273, 20277, 20493, 24783, 51819, 60831, 74349, 155457, 190003, 223047, 466371, 570009, 669141, 1399113, 1710027, 5130081, 15390243]

約数ペア:

[(1, 15390243), (3, 5130081), (9, 1710027), (11, 1399113), (23, 669141), (27, 570009), (33, 466371), (69, 223047), (81, 190003), (99, 155457), (207, 74349), (253, 60831), (297, 51819), (621, 24783), (751, 20493), (759, 20277), (891, 17273), (1863, 8261), (2253, 6831), (2277, 6759)]