2721978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 7296000

約数和(自身を除く): 4574022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 379, 399, 513, 758, 798, 1026, 1137, 1197, 2274, 2394, 2653, 3411, 3591, 5306, 6822, 7182, 7201, 7959, 10233, 14402, 15918, 20466, 21603, 23877, 43206, 47754, 50407, 64809, 71631, 100814, 129618, 143262, 151221, 194427, 302442, 388854, 453663, 907326, 1360989, 2721978]

約数ペア:

[(1, 2721978), (2, 1360989), (3, 907326), (6, 453663), (7, 388854), (9, 302442), (14, 194427), (18, 151221), (19, 143262), (21, 129618), (27, 100814), (38, 71631), (42, 64809), (54, 50407), (57, 47754), (63, 43206), (114, 23877), (126, 21603), (133, 20466), (171, 15918), (189, 14402), (266, 10233), (342, 7959), (378, 7201), (379, 7182), (399, 6822), (513, 5306), (758, 3591), (798, 3411), (1026, 2653), (1137, 2394), (1197, 2274)]