17972199

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1093}}^1$

素因数の和:1141

約数の個数: 40

約数和(自身を含む): 31769760

約数和(自身を除く): 13797561

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1093, 1827, 2349, 3279, 5481, 7651, 9837, 16443, 22953, 29511, 31697, 68859, 88533, 95091, 206577, 221879, 285273, 619731, 665637, 855819, 1996911, 2567457, 5990733, 17972199]

約数ペア:

[(1, 17972199), (3, 5990733), (7, 2567457), (9, 1996911), (21, 855819), (27, 665637), (29, 619731), (63, 285273), (81, 221879), (87, 206577), (189, 95091), (203, 88533), (261, 68859), (567, 31697), (609, 29511), (783, 22953), (1093, 16443), (1827, 9837), (2349, 7651), (3279, 5481)]