6646725

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 12548800

約数和(自身を除く): 5902075

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 229, 387, 645, 675, 687, 1075, 1145, 1161, 1935, 2061, 3225, 3435, 5725, 5805, 6183, 9675, 9847, 10305, 17175, 29025, 29541, 30915, 49235, 51525, 88623, 147705, 154575, 246175, 265869, 443115, 738525, 1329345, 2215575, 6646725]

約数ペア:

[(1, 6646725), (3, 2215575), (5, 1329345), (9, 738525), (15, 443115), (25, 265869), (27, 246175), (43, 154575), (45, 147705), (75, 88623), (129, 51525), (135, 49235), (215, 30915), (225, 29541), (229, 29025), (387, 17175), (645, 10305), (675, 9847), (687, 9675), (1075, 6183), (1145, 5805), (1161, 5725), (1935, 3435), (2061, 3225)]