6721641

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 10056384

約数和(自身を除く): 3334743

約数列:

[1, 3, 9, 67, 71, 157, 201, 213, 471, 603, 639, 1413, 4757, 10519, 11147, 14271, 31557, 33441, 42813, 94671, 100323, 746849, 2240547, 6721641]

約数ペア:

[(1, 6721641), (3, 2240547), (9, 746849), (67, 100323), (71, 94671), (157, 42813), (201, 33441), (213, 31557), (471, 14271), (603, 11147), (639, 10519), (1413, 4757)]