64721103

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 93768192

約数和(自身を除く): 29047089

約数列:

[1, 3, 23, 37, 69, 101, 111, 251, 303, 753, 851, 2323, 2553, 3737, 5773, 6969, 9287, 11211, 17319, 25351, 27861, 76053, 85951, 213601, 257853, 583073, 640803, 937987, 1749219, 2813961, 21573701, 64721103]

約数ペア:

[(1, 64721103), (3, 21573701), (23, 2813961), (37, 1749219), (69, 937987), (101, 640803), (111, 583073), (251, 257853), (303, 213601), (753, 85951), (851, 76053), (2323, 27861), (2553, 25351), (3737, 17319), (5773, 11211), (6969, 9287)]