17420685

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 28807680

約数和(自身を除く): 11386995

約数列:

[1, 3, 5, 15, 61, 79, 183, 237, 241, 305, 395, 723, 915, 1185, 1205, 3615, 4819, 14457, 14701, 19039, 24095, 44103, 57117, 72285, 73505, 95195, 220515, 285585, 1161379, 3484137, 5806895, 17420685]

約数ペア:

[(1, 17420685), (3, 5806895), (5, 3484137), (15, 1161379), (61, 285585), (79, 220515), (183, 95195), (237, 73505), (241, 72285), (305, 57117), (395, 44103), (723, 24095), (915, 19039), (1185, 14701), (1205, 14457), (3615, 4819)]