26857005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 52297728

約数和(自身を除く): 25440723

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 37, 93, 105, 111, 155, 185, 217, 223, 259, 465, 555, 651, 669, 777, 1085, 1115, 1147, 1295, 1561, 3255, 3345, 3441, 3885, 4683, 5735, 6913, 7805, 8029, 8251, 17205, 20739, 23415, 24087, 24753, 34565, 40145, 41255, 48391, 57757, 103695, 120435, 123765, 145173, 173271, 241955, 255781, 288785, 725865, 767343, 866355, 1278905, 1790467, 3836715, 5371401, 8952335, 26857005]

約数ペア:

[(1, 26857005), (3, 8952335), (5, 5371401), (7, 3836715), (15, 1790467), (21, 1278905), (31, 866355), (35, 767343), (37, 725865), (93, 288785), (105, 255781), (111, 241955), (155, 173271), (185, 145173), (217, 123765), (223, 120435), (259, 103695), (465, 57757), (555, 48391), (651, 41255), (669, 40145), (777, 34565), (1085, 24753), (1115, 24087), (1147, 23415), (1295, 20739), (1561, 17205), (3255, 8251), (3345, 8029), (3441, 7805), (3885, 6913), (4683, 5735)]