66709251

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4057}}^1$

素因数の和:4105

約数の個数: 40

約数和(自身を含む): 117844320

約数和(自身を除く): 51135069

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 4057, 5481, 12171, 16443, 28399, 36513, 85197, 109539, 117653, 255591, 328617, 352959, 766773, 823571, 1058877, 2300319, 2470713, 3176631, 7412139, 9529893, 22236417, 66709251]

約数ペア:

[(1, 66709251), (3, 22236417), (7, 9529893), (9, 7412139), (21, 3176631), (27, 2470713), (29, 2300319), (63, 1058877), (81, 823571), (87, 766773), (189, 352959), (203, 328617), (261, 255591), (567, 117653), (609, 109539), (783, 85197), (1827, 36513), (2349, 28399), (4057, 16443), (5481, 12171)]