209230917

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3733}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 339823872

約数和(自身を除く): 130592955

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 357, 471, 1099, 2669, 3297, 3733, 8007, 11199, 18683, 26131, 56049, 63461, 78393, 190383, 444227, 586081, 1332681, 1758243, 4102567, 9963377, 12307701, 29890131, 69743639, 209230917]

約数ペア:

[(1, 209230917), (3, 69743639), (7, 29890131), (17, 12307701), (21, 9963377), (51, 4102567), (119, 1758243), (157, 1332681), (357, 586081), (471, 444227), (1099, 190383), (2669, 78393), (3297, 63461), (3733, 56049), (8007, 26131), (11199, 18683)]