156987987

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1\times {\mathrm{739}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 227505600

約数和(自身を除く): 70517613

約数列:

[1, 3, 13, 39, 169, 419, 507, 739, 1257, 2217, 5447, 9607, 16341, 28821, 70811, 124891, 212433, 309641, 374673, 928923, 4025333, 12075999, 52329329, 156987987]

約数ペア:

[(1, 156987987), (3, 52329329), (13, 12075999), (39, 4025333), (169, 928923), (419, 374673), (507, 309641), (739, 212433), (1257, 124891), (2217, 70811), (5447, 28821), (9607, 16341)]