200904705

素因数分解:

$3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2351}}^1$

素因数の和:2579

約数の個数: 40

約数和(自身を含む): 362001024

約数和(自身を除く): 161096319

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 405, 633, 1055, 1899, 2351, 3165, 5697, 7053, 9495, 11755, 17091, 21159, 28485, 35265, 63477, 85455, 105795, 190431, 317385, 496061, 952155, 1488183, 2480305, 4464549, 7440915, 13393647, 22322745, 40180941, 66968235, 200904705]

約数ペア:

[(1, 200904705), (3, 66968235), (5, 40180941), (9, 22322745), (15, 13393647), (27, 7440915), (45, 4464549), (81, 2480305), (135, 1488183), (211, 952155), (405, 496061), (633, 317385), (1055, 190431), (1899, 105795), (2351, 85455), (3165, 63477), (5697, 35265), (7053, 28485), (9495, 21159), (11755, 17091)]