1964655

素因数分解:

$3^6\times 5^1\times 7^2\times {\mathrm{11}}^1$

素因数の和:48

約数の個数: 84

約数和(自身を含む): 4485672

約数和(自身を除く): 2521017

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 81, 99, 105, 135, 147, 165, 189, 231, 243, 245, 297, 315, 385, 405, 441, 495, 539, 567, 693, 729, 735, 891, 945, 1155, 1215, 1323, 1485, 1617, 1701, 2079, 2205, 2673, 2695, 2835, 3465, 3645, 3969, 4455, 4851, 5103, 6237, 6615, 8019, 8085, 8505, 10395, 11907, 13365, 14553, 18711, 19845, 24255, 25515, 31185, 35721, 40095, 43659, 56133, 59535, 72765, 93555, 130977, 178605, 218295, 280665, 392931, 654885, 1964655]

約数ペア:

[(1, 1964655), (3, 654885), (5, 392931), (7, 280665), (9, 218295), (11, 178605), (15, 130977), (21, 93555), (27, 72765), (33, 59535), (35, 56133), (45, 43659), (49, 40095), (55, 35721), (63, 31185), (77, 25515), (81, 24255), (99, 19845), (105, 18711), (135, 14553), (147, 13365), (165, 11907), (189, 10395), (231, 8505), (243, 8085), (245, 8019), (297, 6615), (315, 6237), (385, 5103), (405, 4851), (441, 4455), (495, 3969), (539, 3645), (567, 3465), (693, 2835), (729, 2695), (735, 2673), (891, 2205), (945, 2079), (1155, 1701), (1215, 1617), (1323, 1485)]