15984747

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 25878528

約数和(自身を除く): 9893781

約数列:

[1, 3, 9, 23, 31, 47, 53, 69, 93, 141, 159, 207, 279, 423, 477, 713, 1081, 1219, 1457, 1643, 2139, 2491, 3243, 3657, 4371, 4929, 6417, 7473, 9729, 10971, 13113, 14787, 22419, 33511, 37789, 57293, 77221, 100533, 113367, 171879, 231663, 301599, 340101, 515637, 694989, 1776083, 5328249, 15984747]

約数ペア:

[(1, 15984747), (3, 5328249), (9, 1776083), (23, 694989), (31, 515637), (47, 340101), (53, 301599), (69, 231663), (93, 171879), (141, 113367), (159, 100533), (207, 77221), (279, 57293), (423, 37789), (477, 33511), (713, 22419), (1081, 14787), (1219, 13113), (1457, 10971), (1643, 9729), (2139, 7473), (2491, 6417), (3243, 4929), (3657, 4371)]