172978127

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 208821600

約数和(自身を除く): 35843473

約数列:

[1, 7, 29, 61, 203, 229, 427, 1603, 1769, 3721, 6641, 12383, 13969, 26047, 46487, 97783, 107909, 405101, 755363, 852109, 2835707, 5964763, 24711161, 172978127]

約数ペア:

[(1, 172978127), (7, 24711161), (29, 5964763), (61, 2835707), (203, 852109), (229, 755363), (427, 405101), (1603, 107909), (1769, 97783), (3721, 46487), (6641, 26047), (12383, 13969)]