25289685

素因数分解:

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

素因数の和:195

約数の個数: 64

約数和(自身を含む): 47496960

約数和(自身を除く): 22207275

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 61, 83, 111, 135, 183, 185, 249, 305, 333, 415, 549, 555, 747, 915, 999, 1245, 1647, 1665, 2241, 2257, 2745, 3071, 3735, 4995, 5063, 6771, 8235, 9213, 11205, 11285, 15189, 15355, 20313, 25315, 27639, 33855, 45567, 46065, 60939, 75945, 82917, 101565, 136701, 138195, 187331, 227835, 304695, 414585, 561993, 683505, 936655, 1685979, 2809965, 5057937, 8429895, 25289685]

約数ペア:

[(1, 25289685), (3, 8429895), (5, 5057937), (9, 2809965), (15, 1685979), (27, 936655), (37, 683505), (45, 561993), (61, 414585), (83, 304695), (111, 227835), (135, 187331), (183, 138195), (185, 136701), (249, 101565), (305, 82917), (333, 75945), (415, 60939), (549, 46065), (555, 45567), (747, 33855), (915, 27639), (999, 25315), (1245, 20313), (1647, 15355), (1665, 15189), (2241, 11285), (2257, 11205), (2745, 9213), (3071, 8235), (3735, 6771), (4995, 5063)]