391390623

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{41299}}^1$

素因数の和:41330

約数の個数: 28

約数和(自身を含む): 631972600

約数和(自身を除く): 240581977

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 9477, 41299, 123897, 371691, 536887, 1115073, 1610661, 3345219, 4831983, 10035657, 14495949, 30106971, 43487847, 130463541, 391390623]

約数ペア:

[(1, 391390623), (3, 130463541), (9, 43487847), (13, 30106971), (27, 14495949), (39, 10035657), (81, 4831983), (117, 3345219), (243, 1610661), (351, 1115073), (729, 536887), (1053, 371691), (3159, 123897), (9477, 41299)]