28515345

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 18762735

約数列:

[1, 3, 5, 15, 37, 111, 185, 191, 269, 555, 573, 807, 955, 1345, 2865, 4035, 7067, 9953, 21201, 29859, 35335, 49765, 51379, 106005, 149295, 154137, 256895, 770685, 1901023, 5703069, 9505115, 28515345]

約数ペア:

[(1, 28515345), (3, 9505115), (5, 5703069), (15, 1901023), (37, 770685), (111, 256895), (185, 154137), (191, 149295), (269, 106005), (555, 51379), (573, 49765), (807, 35335), (955, 29859), (1345, 21201), (2865, 9953), (4035, 7067)]