821567199

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2667

約数の個数: 32

約数和(自身を含む): 1176920064

約数和(自身を除く): 355352865

約数列:

[1, 3, 23, 67, 69, 71, 201, 213, 1541, 1633, 2503, 4623, 4757, 4899, 7509, 14271, 57569, 109411, 167701, 172707, 177713, 328233, 503103, 533139, 3857123, 4087399, 11571369, 11906771, 12262197, 35720313, 273855733, 821567199]

約数ペア:

[(1, 821567199), (3, 273855733), (23, 35720313), (67, 12262197), (69, 11906771), (71, 11571369), (201, 4087399), (213, 3857123), (1541, 533139), (1633, 503103), (2503, 328233), (4623, 177713), (4757, 172707), (4899, 167701), (7509, 109411), (14271, 57569)]