217456065

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{593}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 391968720

約数和(自身を除く): 174512655

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 281, 435, 593, 843, 1305, 1405, 1779, 2529, 2965, 4215, 5337, 8149, 8895, 12645, 17197, 24447, 26685, 40745, 51591, 73341, 85985, 122235, 154773, 166633, 257955, 366705, 499899, 773865, 833165, 1499697, 2499495, 4832357, 7498485, 14497071, 24161785, 43491213, 72485355, 217456065]

約数ペア:

[(1, 217456065), (3, 72485355), (5, 43491213), (9, 24161785), (15, 14497071), (29, 7498485), (45, 4832357), (87, 2499495), (145, 1499697), (261, 833165), (281, 773865), (435, 499899), (593, 366705), (843, 257955), (1305, 166633), (1405, 154773), (1779, 122235), (2529, 85985), (2965, 73341), (4215, 51591), (5337, 40745), (8149, 26685), (8895, 24447), (12645, 17197)]