205355493

素因数分解:

$3^4\times 7^1\times {\mathrm{587}}^1\times {\mathrm{617}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 351755712

約数和(自身を除く): 146400219

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 587, 617, 1761, 1851, 4109, 4319, 5283, 5553, 12327, 12957, 15849, 16659, 36981, 38871, 47547, 49977, 110943, 116613, 332829, 349839, 362179, 1086537, 2535253, 3259611, 7605759, 9778833, 22817277, 29336499, 68451831, 205355493]

約数ペア:

[(1, 205355493), (3, 68451831), (7, 29336499), (9, 22817277), (21, 9778833), (27, 7605759), (63, 3259611), (81, 2535253), (189, 1086537), (567, 362179), (587, 349839), (617, 332829), (1761, 116613), (1851, 110943), (4109, 49977), (4319, 47547), (5283, 38871), (5553, 36981), (12327, 16659), (12957, 15849)]