161968755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 282967776

約数和(自身を除く): 120999021

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 181, 195, 353, 507, 543, 845, 905, 1059, 1765, 2353, 2535, 2715, 4589, 5295, 7059, 11765, 13767, 22945, 30589, 35295, 59657, 63893, 68835, 91767, 152945, 178971, 191679, 298285, 319465, 458835, 830609, 894855, 958395, 2491827, 4153045, 10797917, 12459135, 32393751, 53989585, 161968755]

約数ペア:

[(1, 161968755), (3, 53989585), (5, 32393751), (13, 12459135), (15, 10797917), (39, 4153045), (65, 2491827), (169, 958395), (181, 894855), (195, 830609), (353, 458835), (507, 319465), (543, 298285), (845, 191679), (905, 178971), (1059, 152945), (1765, 91767), (2353, 68835), (2535, 63893), (2715, 59657), (4589, 35295), (5295, 30589), (7059, 22945), (11765, 13767)]