31238055

素因数分解:

$3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 56506032

約数和(自身を除く): 25267977

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 563, 685, 1233, 1689, 2055, 2815, 3699, 5067, 6165, 8445, 11097, 15201, 18495, 25335, 45603, 55485, 76005, 77131, 228015, 231393, 385655, 694179, 1156965, 2082537, 3470895, 6247611, 10412685, 31238055]

約数ペア:

[(1, 31238055), (3, 10412685), (5, 6247611), (9, 3470895), (15, 2082537), (27, 1156965), (45, 694179), (81, 385655), (135, 231393), (137, 228015), (405, 77131), (411, 76005), (563, 55485), (685, 45603), (1233, 25335), (1689, 18495), (2055, 15201), (2815, 11097), (3699, 8445), (5067, 6165)]