51789915

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 98803200

約数和(自身を除く): 47013285

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 61, 95, 135, 171, 183, 285, 305, 331, 513, 549, 855, 915, 993, 1159, 1647, 1655, 2565, 2745, 2979, 3477, 4965, 5795, 6289, 8235, 8937, 10431, 14895, 17385, 18867, 20191, 31293, 31445, 44685, 52155, 56601, 60573, 94335, 100955, 156465, 169803, 181719, 283005, 302865, 383629, 545157, 849015, 908595, 1150887, 1918145, 2725785, 3452661, 5754435, 10357983, 17263305, 51789915]

約数ペア:

[(1, 51789915), (3, 17263305), (5, 10357983), (9, 5754435), (15, 3452661), (19, 2725785), (27, 1918145), (45, 1150887), (57, 908595), (61, 849015), (95, 545157), (135, 383629), (171, 302865), (183, 283005), (285, 181719), (305, 169803), (331, 156465), (513, 100955), (549, 94335), (855, 60573), (915, 56601), (993, 52155), (1159, 44685), (1647, 31445), (1655, 31293), (2565, 20191), (2745, 18867), (2979, 17385), (3477, 14895), (4965, 10431), (5795, 8937), (6289, 8235)]