841995

素因数分解:

$3^7\times 5^1\times 7^1\times {\mathrm{11}}^1$

素因数の和:44

約数の個数: 64

約数和(自身を含む): 1889280

約数和(自身を除く): 1047285

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 231, 243, 297, 315, 385, 405, 495, 567, 693, 729, 891, 945, 1155, 1215, 1485, 1701, 2079, 2187, 2673, 2835, 3465, 3645, 4455, 5103, 6237, 8019, 8505, 10395, 10935, 13365, 15309, 18711, 24057, 25515, 31185, 40095, 56133, 76545, 93555, 120285, 168399, 280665, 841995]

約数ペア:

[(1, 841995), (3, 280665), (5, 168399), (7, 120285), (9, 93555), (11, 76545), (15, 56133), (21, 40095), (27, 31185), (33, 25515), (35, 24057), (45, 18711), (55, 15309), (63, 13365), (77, 10935), (81, 10395), (99, 8505), (105, 8019), (135, 6237), (165, 5103), (189, 4455), (231, 3645), (243, 3465), (297, 2835), (315, 2673), (385, 2187), (405, 2079), (495, 1701), (567, 1485), (693, 1215), (729, 1155), (891, 945)]