1378778841

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1549}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 2318304000

約数和(自身を除く): 939525159

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 243, 297, 333, 407, 729, 891, 999, 1221, 1549, 2187, 2673, 2997, 3663, 4647, 8019, 8991, 10989, 13941, 17039, 24057, 26973, 32967, 41823, 51117, 57313, 80919, 98901, 125469, 153351, 171939, 296703, 376407, 460053, 515817, 630443, 890109, 1129221, 1380159, 1547451, 1891329, 3387663, 4140477, 4642353, 5673987, 12421431, 13927059, 17021961, 37264293, 41781177, 51065883, 125343531, 153197649, 459592947, 1378778841]

約数ペア:

[(1, 1378778841), (3, 459592947), (9, 153197649), (11, 125343531), (27, 51065883), (33, 41781177), (37, 37264293), (81, 17021961), (99, 13927059), (111, 12421431), (243, 5673987), (297, 4642353), (333, 4140477), (407, 3387663), (729, 1891329), (891, 1547451), (999, 1380159), (1221, 1129221), (1549, 890109), (2187, 630443), (2673, 515817), (2997, 460053), (3663, 376407), (4647, 296703), (8019, 171939), (8991, 153351), (10989, 125469), (13941, 98901), (17039, 80919), (24057, 57313), (26973, 51117), (32967, 41823)]