13986921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 21676032

約数和(自身を除く): 7689111

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 503, 713, 897, 1209, 1509, 2139, 6539, 9269, 11569, 15593, 19617, 27807, 34707, 46779, 150397, 202709, 358639, 451191, 608127, 1075917, 4662307, 13986921]

約数ペア:

[(1, 13986921), (3, 4662307), (13, 1075917), (23, 608127), (31, 451191), (39, 358639), (69, 202709), (93, 150397), (299, 46779), (403, 34707), (503, 27807), (713, 19617), (897, 15593), (1209, 11569), (1509, 9269), (2139, 6539)]