17972361

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 30596544

約数和(自身を除く): 12624183

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 759, 877, 891, 1863, 2277, 2631, 6831, 7893, 9647, 20171, 20493, 23679, 28941, 60513, 71037, 86823, 181539, 221881, 260469, 544617, 665643, 781407, 1633851, 1996929, 5990787, 17972361]

約数ペア:

[(1, 17972361), (3, 5990787), (9, 1996929), (11, 1633851), (23, 781407), (27, 665643), (33, 544617), (69, 260469), (81, 221881), (99, 181539), (207, 86823), (253, 71037), (297, 60513), (621, 28941), (759, 23679), (877, 20493), (891, 20171), (1863, 9647), (2277, 7893), (2631, 6831)]