72718755

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1609}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 122411520

約数和(自身を除く): 49692765

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 655, 1609, 1965, 3013, 4827, 8045, 9039, 15065, 24135, 37007, 45195, 111021, 185035, 210779, 555105, 632337, 1053895, 3161685, 4847917, 14543751, 24239585, 72718755]

約数ペア:

[(1, 72718755), (3, 24239585), (5, 14543751), (15, 4847917), (23, 3161685), (69, 1053895), (115, 632337), (131, 555105), (345, 210779), (393, 185035), (655, 111021), (1609, 45195), (1965, 37007), (3013, 24135), (4827, 15065), (8045, 9039)]