38560455

素因数分解:

$3^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 56

約数和(自身を含む): 70826400

約数和(自身を除く): 32265945

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 149, 213, 243, 355, 405, 447, 639, 729, 745, 1065, 1215, 1341, 1917, 2235, 3195, 3645, 4023, 5751, 6705, 9585, 10579, 12069, 17253, 20115, 28755, 31737, 36207, 51759, 52895, 60345, 86265, 95211, 108621, 158685, 181035, 258795, 285633, 476055, 543105, 856899, 1428165, 2570697, 4284495, 7712091, 12853485, 38560455]

約数ペア:

[(1, 38560455), (3, 12853485), (5, 7712091), (9, 4284495), (15, 2570697), (27, 1428165), (45, 856899), (71, 543105), (81, 476055), (135, 285633), (149, 258795), (213, 181035), (243, 158685), (355, 108621), (405, 95211), (447, 86265), (639, 60345), (729, 52895), (745, 51759), (1065, 36207), (1215, 31737), (1341, 28755), (1917, 20115), (2235, 17253), (3195, 12069), (3645, 10579), (4023, 9585), (5751, 6705)]