205173759

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2367

約数の個数: 32

約数和(自身を含む): 322527744

約数和(自身を除く): 117353985

約数列:

[1, 3, 7, 21, 53, 83, 159, 249, 371, 581, 1113, 1743, 2221, 4399, 6663, 13197, 15547, 30793, 46641, 92379, 117713, 184343, 353139, 553029, 823991, 1290401, 2471973, 3871203, 9770179, 29310537, 68391253, 205173759]

約数ペア:

[(1, 205173759), (3, 68391253), (7, 29310537), (21, 9770179), (53, 3871203), (83, 2471973), (159, 1290401), (249, 823991), (371, 553029), (581, 353139), (1113, 184343), (1743, 117713), (2221, 92379), (4399, 46641), (6663, 30793), (13197, 15547)]