18112425

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 31551552

約数和(自身を除く): 13439127

約数列:

[1, 3, 5, 15, 25, 37, 61, 75, 107, 111, 183, 185, 305, 321, 535, 555, 915, 925, 1525, 1605, 2257, 2675, 2775, 3959, 4575, 6527, 6771, 8025, 11285, 11877, 19581, 19795, 32635, 33855, 56425, 59385, 97905, 98975, 163175, 169275, 241499, 296925, 489525, 724497, 1207495, 3622485, 6037475, 18112425]

約数ペア:

[(1, 18112425), (3, 6037475), (5, 3622485), (15, 1207495), (25, 724497), (37, 489525), (61, 296925), (75, 241499), (107, 169275), (111, 163175), (183, 98975), (185, 97905), (305, 59385), (321, 56425), (535, 33855), (555, 32635), (915, 19795), (925, 19581), (1525, 11877), (1605, 11285), (2257, 8025), (2675, 6771), (2775, 6527), (3959, 4575)]