139814521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 184734720

約数和(自身を除く): 44920199

約数列:

[1, 7, 11, 19, 77, 133, 209, 227, 421, 1463, 1589, 2497, 2947, 4313, 4631, 7999, 17479, 30191, 32417, 47443, 55993, 87989, 95567, 332101, 615923, 668969, 1051237, 1815773, 7358659, 12710411, 19973503, 139814521]

約数ペア:

[(1, 139814521), (7, 19973503), (11, 12710411), (19, 7358659), (77, 1815773), (133, 1051237), (209, 668969), (227, 615923), (421, 332101), (1463, 95567), (1589, 87989), (2497, 55993), (2947, 47443), (4313, 32417), (4631, 30191), (7999, 17479)]