319397397

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 471744000

約数和(自身を除く): 152346603

約数列:

[1, 3, 11, 33, 139, 179, 389, 417, 537, 1167, 1529, 1969, 4279, 4587, 5907, 12837, 24881, 54071, 69631, 74643, 162213, 208893, 273691, 594781, 765941, 821073, 1784343, 2297823, 9678709, 29036127, 106465799, 319397397]

約数ペア:

[(1, 319397397), (3, 106465799), (11, 29036127), (33, 9678709), (139, 2297823), (179, 1784343), (389, 821073), (417, 765941), (537, 594781), (1167, 273691), (1529, 208893), (1969, 162213), (4279, 74643), (4587, 69631), (5907, 54071), (12837, 24881)]