211121595

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{161779}}^1$

素因数の和:161819

約数の個数: 24

約数和(自身を含む): 378565200

約数和(自身を除く): 167443605

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 161779, 485337, 808895, 1456011, 2426685, 4691591, 7280055, 14074773, 23457955, 42224319, 70373865, 211121595]

約数ペア:

[(1, 211121595), (3, 70373865), (5, 42224319), (9, 23457955), (15, 14074773), (29, 7280055), (45, 4691591), (87, 2426685), (145, 1456011), (261, 808895), (435, 485337), (1305, 161779)]