90389115

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4211}}^1$

素因数の和:4281

約数の個数: 40

約数和(自身を含む): 165127248

約数和(自身を除く): 74738133

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 4211, 4293, 7155, 12633, 21055, 21465, 37899, 63165, 113697, 189495, 223183, 341091, 568485, 669549, 1115915, 1705455, 2008647, 3347745, 6025941, 10043235, 18077823, 30129705, 90389115]

約数ペア:

[(1, 90389115), (3, 30129705), (5, 18077823), (9, 10043235), (15, 6025941), (27, 3347745), (45, 2008647), (53, 1705455), (81, 1115915), (135, 669549), (159, 568485), (265, 341091), (405, 223183), (477, 189495), (795, 113697), (1431, 63165), (2385, 37899), (4211, 21465), (4293, 21055), (7155, 12633)]