66521175

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 72

約数和(自身を含む): 133670016

約数和(自身を除く): 67148841

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 49, 69, 75, 105, 115, 147, 161, 175, 245, 345, 483, 525, 575, 735, 787, 805, 1127, 1225, 1725, 2361, 2415, 3381, 3675, 3935, 4025, 5509, 5635, 11805, 12075, 16527, 16905, 18101, 19675, 27545, 28175, 38563, 54303, 59025, 82635, 84525, 90505, 115689, 126707, 137725, 192815, 271515, 380121, 413175, 452525, 578445, 633535, 886949, 964075, 1357575, 1900605, 2660847, 2892225, 3167675, 4434745, 9503025, 13304235, 22173725, 66521175]

約数ペア:

[(1, 66521175), (3, 22173725), (5, 13304235), (7, 9503025), (15, 4434745), (21, 3167675), (23, 2892225), (25, 2660847), (35, 1900605), (49, 1357575), (69, 964075), (75, 886949), (105, 633535), (115, 578445), (147, 452525), (161, 413175), (175, 380121), (245, 271515), (345, 192815), (483, 137725), (525, 126707), (575, 115689), (735, 90505), (787, 84525), (805, 82635), (1127, 59025), (1225, 54303), (1725, 38563), (2361, 28175), (2415, 27545), (3381, 19675), (3675, 18101), (3935, 16905), (4025, 16527), (5509, 12075), (5635, 11805)]