207422901

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 359334144

約数和(自身を除く): 151911243

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 257, 483, 557, 771, 1449, 1671, 1799, 2313, 3899, 5013, 5397, 5911, 11697, 12811, 16191, 17733, 35091, 38433, 41377, 53199, 89677, 115299, 124131, 143149, 269031, 372393, 429447, 807093, 1002043, 1288341, 3006129, 3292427, 9018387, 9877281, 23046989, 29631843, 69140967, 207422901]

約数ペア:

[(1, 207422901), (3, 69140967), (7, 29631843), (9, 23046989), (21, 9877281), (23, 9018387), (63, 3292427), (69, 3006129), (161, 1288341), (207, 1002043), (257, 807093), (483, 429447), (557, 372393), (771, 269031), (1449, 143149), (1671, 124131), (1799, 115299), (2313, 89677), (3899, 53199), (5013, 41377), (5397, 38433), (5911, 35091), (11697, 17733), (12811, 16191)]