81600435

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1657

約数の個数: 72

約数和(自身を含む): 171793440

約数和(自身を除く): 90193005

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 245, 315, 345, 441, 483, 735, 805, 1035, 1127, 1449, 1609, 2205, 2415, 3381, 4827, 5635, 7245, 8045, 10143, 11263, 14481, 16905, 24135, 33789, 37007, 50715, 56315, 72405, 78841, 101367, 111021, 168945, 185035, 236523, 259049, 333063, 394205, 506835, 555105, 709569, 777147, 1182615, 1295245, 1665315, 1813343, 2331441, 3547845, 3885735, 5440029, 9066715, 11657205, 16320087, 27200145, 81600435]

約数ペア:

[(1, 81600435), (3, 27200145), (5, 16320087), (7, 11657205), (9, 9066715), (15, 5440029), (21, 3885735), (23, 3547845), (35, 2331441), (45, 1813343), (49, 1665315), (63, 1295245), (69, 1182615), (105, 777147), (115, 709569), (147, 555105), (161, 506835), (207, 394205), (245, 333063), (315, 259049), (345, 236523), (441, 185035), (483, 168945), (735, 111021), (805, 101367), (1035, 78841), (1127, 72405), (1449, 56315), (1609, 50715), (2205, 37007), (2415, 33789), (3381, 24135), (4827, 16905), (5635, 14481), (7245, 11263), (8045, 10143)]