87108915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 151990272

約数和(自身を除く): 64881357

約数列:

[1, 3, 5, 15, 31, 37, 61, 83, 93, 111, 155, 183, 185, 249, 305, 415, 465, 555, 915, 1147, 1245, 1891, 2257, 2573, 3071, 3441, 5063, 5673, 5735, 6771, 7719, 9213, 9455, 11285, 12865, 15189, 15355, 17205, 25315, 28365, 33855, 38595, 46065, 69967, 75945, 95201, 156953, 187331, 209901, 285603, 349835, 470859, 476005, 561993, 784765, 936655, 1049505, 1428015, 2354295, 2809965, 5807261, 17421783, 29036305, 87108915]

約数ペア:

[(1, 87108915), (3, 29036305), (5, 17421783), (15, 5807261), (31, 2809965), (37, 2354295), (61, 1428015), (83, 1049505), (93, 936655), (111, 784765), (155, 561993), (183, 476005), (185, 470859), (249, 349835), (305, 285603), (415, 209901), (465, 187331), (555, 156953), (915, 95201), (1147, 75945), (1245, 69967), (1891, 46065), (2257, 38595), (2573, 33855), (3071, 28365), (3441, 25315), (5063, 17205), (5673, 15355), (5735, 15189), (6771, 12865), (7719, 11285), (9213, 9455)]