277777880079

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1063}}^1\times {\mathrm{1489}}^1$

素因数の和:2760

約数の個数: 64

約数和(自身を含む): 434058885120

約数和(自身を除く): 156281005041

約数列:

[1, 3, 7, 21, 61, 137, 183, 411, 427, 959, 1063, 1281, 1489, 2877, 3189, 4467, 7441, 8357, 10423, 22323, 25071, 31269, 58499, 64843, 90829, 145631, 175497, 194529, 203993, 272487, 436893, 453901, 611979, 635803, 1019417, 1361703, 1427951, 1582807, 1907409, 3058251, 4283853, 4748421, 8883491, 11079649, 12443573, 26650473, 33238947, 37330719, 62184437, 87105011, 96551227, 186553311, 216844559, 261315033, 289653681, 650533677, 675858589, 1517911913, 2027575767, 4553735739, 13227518099, 39682554297, 92592626693, 277777880079]

約数ペア:

[(1, 277777880079), (3, 92592626693), (7, 39682554297), (21, 13227518099), (61, 4553735739), (137, 2027575767), (183, 1517911913), (411, 675858589), (427, 650533677), (959, 289653681), (1063, 261315033), (1281, 216844559), (1489, 186553311), (2877, 96551227), (3189, 87105011), (4467, 62184437), (7441, 37330719), (8357, 33238947), (10423, 26650473), (22323, 12443573), (25071, 11079649), (31269, 8883491), (58499, 4748421), (64843, 4283853), (90829, 3058251), (145631, 1907409), (175497, 1582807), (194529, 1427951), (203993, 1361703), (272487, 1019417), (436893, 635803), (453901, 611979)]