921382497

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{34739}}^1$

素因数の和:35173

約数の個数: 24

約数和(自身を含む): 1524669120

約数和(自身を除く): 603286623

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2947, 3789, 8841, 26523, 34739, 104217, 243173, 312651, 729519, 2188557, 14625119, 43875357, 102375833, 131626071, 307127499, 921382497]

約数ペア:

[(1, 921382497), (3, 307127499), (7, 131626071), (9, 102375833), (21, 43875357), (63, 14625119), (421, 2188557), (1263, 729519), (2947, 312651), (3789, 243173), (8841, 104217), (26523, 34739)]