248900985

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 461894400

約数和(自身を除く): 212993415

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 53, 129, 135, 159, 215, 265, 387, 477, 645, 795, 809, 1161, 1431, 1935, 2279, 2385, 2427, 4045, 5805, 6837, 7155, 7281, 11395, 12135, 20511, 21843, 34185, 34787, 36405, 42877, 61533, 102555, 104361, 109215, 128631, 173935, 214385, 307665, 313083, 385893, 521805, 643155, 939249, 1157679, 1565415, 1843711, 1929465, 4696245, 5531133, 5788395, 9218555, 16593399, 27655665, 49780197, 82966995, 248900985]

約数ペア:

[(1, 248900985), (3, 82966995), (5, 49780197), (9, 27655665), (15, 16593399), (27, 9218555), (43, 5788395), (45, 5531133), (53, 4696245), (129, 1929465), (135, 1843711), (159, 1565415), (215, 1157679), (265, 939249), (387, 643155), (477, 521805), (645, 385893), (795, 313083), (809, 307665), (1161, 214385), (1431, 173935), (1935, 128631), (2279, 109215), (2385, 104361), (2427, 102555), (4045, 61533), (5805, 42877), (6837, 36405), (7155, 34787), (7281, 34185), (11395, 21843), (12135, 20511)]