4217445

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 8002800

約数和(自身を除く): 3785355

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 149, 153, 185, 255, 333, 447, 555, 629, 745, 765, 1341, 1665, 1887, 2235, 2533, 3145, 5513, 5661, 6705, 7599, 9435, 12665, 16539, 22797, 27565, 28305, 37995, 49617, 82695, 93721, 113985, 248085, 281163, 468605, 843489, 1405815, 4217445]

約数ペア:

[(1, 4217445), (3, 1405815), (5, 843489), (9, 468605), (15, 281163), (17, 248085), (37, 113985), (45, 93721), (51, 82695), (85, 49617), (111, 37995), (149, 28305), (153, 27565), (185, 22797), (255, 16539), (333, 12665), (447, 9435), (555, 7599), (629, 6705), (745, 5661), (765, 5513), (1341, 3145), (1665, 2533), (1887, 2235)]