42751821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3921

約数の個数: 32

約数和(自身を含む): 71221248

約数和(自身を除く): 28469427

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 3863, 11067, 11589, 27041, 65671, 81123, 119753, 197013, 359259, 459697, 838271, 1379091, 2035801, 2514813, 6107403, 14250607, 42751821]

約数ペア:

[(1, 42751821), (3, 14250607), (7, 6107403), (17, 2514813), (21, 2035801), (31, 1379091), (51, 838271), (93, 459697), (119, 359259), (217, 197013), (357, 119753), (527, 81123), (651, 65671), (1581, 27041), (3689, 11589), (3863, 11067)]