30213155

素因数分解:

$5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 43008000

約数和(自身を除く): 12794845

約数列:

[1, 5, 7, 35, 49, 79, 223, 245, 343, 395, 553, 1115, 1561, 1715, 2765, 3871, 7805, 10927, 17617, 19355, 27097, 54635, 76489, 88085, 123319, 135485, 382445, 616595, 863233, 4316165, 6042631, 30213155]

約数ペア:

[(1, 30213155), (5, 6042631), (7, 4316165), (35, 863233), (49, 616595), (79, 382445), (223, 135485), (245, 123319), (343, 88085), (395, 76489), (553, 54635), (1115, 27097), (1561, 19355), (1715, 17617), (2765, 10927), (3871, 7805)]