78912171

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{587}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 126443520

約数和(自身を除く): 47531349

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 383, 587, 1149, 1761, 3447, 4979, 5283, 7631, 10341, 14937, 15849, 22893, 44811, 68679, 134433, 206037, 224821, 674463, 2023389, 2922673, 6070167, 8768019, 26304057, 78912171]

約数ペア:

[(1, 78912171), (3, 26304057), (9, 8768019), (13, 6070167), (27, 2922673), (39, 2023389), (117, 674463), (351, 224821), (383, 206037), (587, 134433), (1149, 68679), (1761, 44811), (3447, 22893), (4979, 15849), (5283, 14937), (7631, 10341)]