127890279

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{877}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 207348480

約数和(自身を除く): 79458201

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 491, 877, 1473, 2631, 4419, 5401, 7893, 9647, 13257, 16203, 23679, 28941, 48609, 86823, 145827, 260469, 430607, 1291821, 3875463, 4736677, 11626389, 14210031, 42630093, 127890279]

約数ペア:

[(1, 127890279), (3, 42630093), (9, 14210031), (11, 11626389), (27, 4736677), (33, 3875463), (99, 1291821), (297, 430607), (491, 260469), (877, 145827), (1473, 86823), (2631, 48609), (4419, 28941), (5401, 23679), (7893, 16203), (9647, 13257)]