206424645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103471}}^1$

素因数の和:103505

約数の個数: 32

約数和(自身を含む): 397332480

約数和(自身を除く): 190907835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 103471, 310413, 517355, 724297, 1552065, 1965949, 2172891, 3621485, 5897847, 9829745, 10864455, 13761643, 29489235, 41284929, 68808215, 206424645]

約数ペア:

[(1, 206424645), (3, 68808215), (5, 41284929), (7, 29489235), (15, 13761643), (19, 10864455), (21, 9829745), (35, 5897847), (57, 3621485), (95, 2172891), (105, 1965949), (133, 1552065), (285, 724297), (399, 517355), (665, 310413), (1995, 103471)]