81499691

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1319}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 103229280

約数和(自身を除く): 21729589

約数列:

[1, 7, 13, 49, 91, 97, 637, 679, 1261, 1319, 4753, 8827, 9233, 17147, 61789, 64631, 120029, 127943, 840203, 895601, 1663259, 6269207, 11642813, 81499691]

約数ペア:

[(1, 81499691), (7, 11642813), (13, 6269207), (49, 1663259), (91, 895601), (97, 840203), (637, 127943), (679, 120029), (1261, 64631), (1319, 61789), (4753, 17147), (8827, 9233)]