78947985

素因数分解:

$3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{21839}}^1$

素因数の和:22088

約数の個数: 16

約数和(自身を含む): 126846720

約数和(自身を除く): 47898735

約数列:

[1, 3, 5, 15, 241, 723, 1205, 3615, 21839, 65517, 109195, 327585, 5263199, 15789597, 26315995, 78947985]

約数ペア:

[(1, 78947985), (3, 26315995), (5, 15789597), (15, 5263199), (241, 327585), (723, 109195), (1205, 65517), (3615, 21839)]