72738945

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2003}}^1$

素因数の和:2286

約数の個数: 32

約数和(自身を含む): 129859200

約数和(自身を除く): 57120255

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 807, 1345, 2003, 2421, 4035, 6009, 7263, 10015, 12105, 18027, 30045, 36315, 54081, 90135, 270405, 538807, 1616421, 2694035, 4849263, 8082105, 14547789, 24246315, 72738945]

約数ペア:

[(1, 72738945), (3, 24246315), (5, 14547789), (9, 8082105), (15, 4849263), (27, 2694035), (45, 1616421), (135, 538807), (269, 270405), (807, 90135), (1345, 54081), (2003, 36315), (2421, 30045), (4035, 18027), (6009, 12105), (7263, 10015)]