39401115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 71909376

約数和(自身を除く): 32508261

約数列:

[1, 3, 5, 13, 15, 37, 39, 43, 65, 111, 127, 129, 185, 195, 215, 381, 481, 555, 559, 635, 645, 1443, 1591, 1651, 1677, 1905, 2405, 2795, 4699, 4773, 4953, 5461, 7215, 7955, 8255, 8385, 14097, 16383, 20683, 23495, 23865, 24765, 27305, 61087, 62049, 70485, 70993, 81915, 103415, 183261, 202057, 212979, 305435, 310245, 354965, 606171, 916305, 1010285, 1064895, 2626741, 3030855, 7880223, 13133705, 39401115]

約数ペア:

[(1, 39401115), (3, 13133705), (5, 7880223), (13, 3030855), (15, 2626741), (37, 1064895), (39, 1010285), (43, 916305), (65, 606171), (111, 354965), (127, 310245), (129, 305435), (185, 212979), (195, 202057), (215, 183261), (381, 103415), (481, 81915), (555, 70993), (559, 70485), (635, 62049), (645, 61087), (1443, 27305), (1591, 24765), (1651, 23865), (1677, 23495), (1905, 20683), (2405, 16383), (2795, 14097), (4699, 8385), (4773, 8255), (4953, 7955), (5461, 7215)]