2079945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 4423680

約数和(自身を除く): 2343735

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 71, 93, 105, 135, 155, 189, 213, 217, 279, 315, 355, 465, 497, 639, 651, 837, 945, 1065, 1085, 1395, 1491, 1917, 1953, 2201, 2485, 3195, 3255, 4185, 4473, 5859, 6603, 7455, 9585, 9765, 11005, 13419, 15407, 19809, 22365, 29295, 33015, 46221, 59427, 67095, 77035, 99045, 138663, 231105, 297135, 415989, 693315, 2079945]

約数ペア:

[(1, 2079945), (3, 693315), (5, 415989), (7, 297135), (9, 231105), (15, 138663), (21, 99045), (27, 77035), (31, 67095), (35, 59427), (45, 46221), (63, 33015), (71, 29295), (93, 22365), (105, 19809), (135, 15407), (155, 13419), (189, 11005), (213, 9765), (217, 9585), (279, 7455), (315, 6603), (355, 5859), (465, 4473), (497, 4185), (639, 3255), (651, 3195), (837, 2485), (945, 2201), (1065, 1953), (1085, 1917), (1395, 1491)]