289432947

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 417312000

約数和(自身を除く): 127879053

約数列:

[1, 3, 19, 53, 57, 149, 159, 447, 643, 1007, 1929, 2831, 3021, 7897, 8493, 12217, 23691, 34079, 36651, 95807, 102237, 150043, 287421, 450129, 647501, 1820333, 1942503, 5077771, 5460999, 15233313, 96477649, 289432947]

約数ペア:

[(1, 289432947), (3, 96477649), (19, 15233313), (53, 5460999), (57, 5077771), (149, 1942503), (159, 1820333), (447, 647501), (643, 450129), (1007, 287421), (1929, 150043), (2831, 102237), (3021, 95807), (7897, 36651), (8493, 34079), (12217, 23691)]