51054255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2736

約数の個数: 48

約数和(自身を含む): 102832704

約数和(自身を除く): 51778449

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1281, 2135, 2657, 2745, 3843, 6405, 7971, 13285, 18599, 19215, 23913, 39855, 55797, 92995, 119565, 162077, 167391, 278985, 486231, 810385, 836955, 1134539, 1458693, 2431155, 3403617, 5672695, 7293465, 10210851, 17018085, 51054255]

約数ペア:

[(1, 51054255), (3, 17018085), (5, 10210851), (7, 7293465), (9, 5672695), (15, 3403617), (21, 2431155), (35, 1458693), (45, 1134539), (61, 836955), (63, 810385), (105, 486231), (183, 278985), (305, 167391), (315, 162077), (427, 119565), (549, 92995), (915, 55797), (1281, 39855), (2135, 23913), (2657, 19215), (2745, 18599), (3843, 13285), (6405, 7971)]