210822843

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{130379}}^1$

素因数の和:130407

約数の個数: 24

約数和(自身を含む): 356719680

約数和(自身を除く): 145896837

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 130379, 391137, 912653, 1434169, 2737959, 4302507, 6388571, 10039183, 19165713, 30117549, 70274281, 210822843]

約数ペア:

[(1, 210822843), (3, 70274281), (7, 30117549), (11, 19165713), (21, 10039183), (33, 6388571), (49, 4302507), (77, 2737959), (147, 1434169), (231, 912653), (539, 391137), (1617, 130379)]