12399399

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{3257}}^1$

素因数の和:3316

約数の個数: 20

約数和(自身を含む): 18922464

約数和(自身を除く): 6523065

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3257, 3807, 9771, 29313, 87939, 153079, 263817, 459237, 1377711, 4133133, 12399399]

約数ペア:

[(1, 12399399), (3, 4133133), (9, 1377711), (27, 459237), (47, 263817), (81, 153079), (141, 87939), (423, 29313), (1269, 9771), (3257, 3807)]