16565521815

素因数分解:

$3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{312233}}^1$

素因数の和:312381

約数の個数: 40

約数和(自身を含む): 29922008688

約数和(自身を除く): 13356486873

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 393, 405, 655, 1179, 1965, 3537, 5895, 10611, 17685, 53055, 312233, 936699, 1561165, 2810097, 4683495, 8430291, 14050485, 25290873, 40902523, 42151455, 122707569, 126454365, 204512615, 368122707, 613537845, 1104368121, 1840613535, 3313104363, 5521840605, 16565521815]

約数ペア:

[(1, 16565521815), (3, 5521840605), (5, 3313104363), (9, 1840613535), (15, 1104368121), (27, 613537845), (45, 368122707), (81, 204512615), (131, 126454365), (135, 122707569), (393, 42151455), (405, 40902523), (655, 25290873), (1179, 14050485), (1965, 8430291), (3537, 4683495), (5895, 2810097), (10611, 1561165), (17685, 936699), (53055, 312233)]