210913615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1201}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 288018432

約数和(自身を除く): 77104817

約数列:

[1, 5, 11, 31, 55, 103, 155, 341, 515, 1133, 1201, 1705, 3193, 5665, 6005, 13211, 15965, 35123, 37231, 66055, 123703, 175615, 186155, 409541, 618515, 1360733, 2047705, 3834793, 6803665, 19173965, 42182723, 210913615]

約数ペア:

[(1, 210913615), (5, 42182723), (11, 19173965), (31, 6803665), (55, 3834793), (103, 2047705), (155, 1360733), (341, 618515), (515, 409541), (1133, 186155), (1201, 175615), (1705, 123703), (3193, 66055), (5665, 37231), (6005, 35123), (13211, 15965)]