1212345

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 2176200

約数和(自身を除く): 963855

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 929, 1305, 2787, 4645, 8361, 13935, 26941, 41805, 80823, 134705, 242469, 404115, 1212345]

約数ペア:

[(1, 1212345), (3, 404115), (5, 242469), (9, 134705), (15, 80823), (29, 41805), (45, 26941), (87, 13935), (145, 8361), (261, 4645), (435, 2787), (929, 1305)]