211674771

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1087}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 382906368

約数和(自身を除く): 171231597

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 281, 693, 843, 1087, 1967, 2529, 3091, 3261, 5901, 7609, 9273, 9783, 11957, 17703, 21637, 22827, 27819, 35871, 64911, 68481, 83699, 107613, 194733, 251097, 305447, 753291, 916341, 2138129, 2749023, 3359917, 6414387, 10079751, 19243161, 23519419, 30239253, 70558257, 211674771]

約数ペア:

[(1, 211674771), (3, 70558257), (7, 30239253), (9, 23519419), (11, 19243161), (21, 10079751), (33, 6414387), (63, 3359917), (77, 2749023), (99, 2138129), (231, 916341), (281, 753291), (693, 305447), (843, 251097), (1087, 194733), (1967, 107613), (2529, 83699), (3091, 68481), (3261, 64911), (5901, 35871), (7609, 27819), (9273, 22827), (9783, 21637), (11957, 17703)]