259703073

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 440668800

約数和(自身を除く): 180965727

約数列:

[1, 3, 7, 9, 21, 59, 63, 109, 177, 327, 413, 531, 641, 763, 981, 1239, 1923, 2289, 3717, 4487, 5769, 6431, 6867, 13461, 19293, 37819, 40383, 45017, 57879, 69869, 113457, 135051, 209607, 264733, 340371, 405153, 489083, 628821, 794199, 1467249, 2382597, 4122271, 4401747, 12366813, 28855897, 37100439, 86567691, 259703073]

約数ペア:

[(1, 259703073), (3, 86567691), (7, 37100439), (9, 28855897), (21, 12366813), (59, 4401747), (63, 4122271), (109, 2382597), (177, 1467249), (327, 794199), (413, 628821), (531, 489083), (641, 405153), (763, 340371), (981, 264733), (1239, 209607), (1923, 135051), (2289, 113457), (3717, 69869), (4487, 57879), (5769, 45017), (6431, 40383), (6867, 37819), (13461, 19293)]