390894885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1627}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 716189760

約数和(自身を除く): 325294875

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 281, 285, 843, 855, 1405, 1627, 2529, 4215, 4881, 5339, 8135, 12645, 14643, 16017, 24405, 26695, 30913, 48051, 73215, 80085, 92739, 154565, 240255, 278217, 457187, 463695, 1371561, 1391085, 2285935, 4114683, 6857805, 8686553, 20573415, 26059659, 43432765, 78178977, 130298295, 390894885]

約数ペア:

[(1, 390894885), (3, 130298295), (5, 78178977), (9, 43432765), (15, 26059659), (19, 20573415), (45, 8686553), (57, 6857805), (95, 4114683), (171, 2285935), (281, 1391085), (285, 1371561), (843, 463695), (855, 457187), (1405, 278217), (1627, 240255), (2529, 154565), (4215, 92739), (4881, 80085), (5339, 73215), (8135, 48051), (12645, 30913), (14643, 26695), (16017, 24405)]