7481955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 14249088

約数和(自身を除く): 6767133

約数列:

[1, 3, 5, 13, 15, 17, 37, 39, 51, 61, 65, 85, 111, 183, 185, 195, 221, 255, 305, 481, 555, 629, 663, 793, 915, 1037, 1105, 1443, 1887, 2257, 2379, 2405, 3111, 3145, 3315, 3965, 5185, 6771, 7215, 8177, 9435, 11285, 11895, 13481, 15555, 24531, 29341, 33855, 38369, 40443, 40885, 67405, 88023, 115107, 122655, 146705, 191845, 202215, 440115, 498797, 575535, 1496391, 2493985, 7481955]

約数ペア:

[(1, 7481955), (3, 2493985), (5, 1496391), (13, 575535), (15, 498797), (17, 440115), (37, 202215), (39, 191845), (51, 146705), (61, 122655), (65, 115107), (85, 88023), (111, 67405), (183, 40885), (185, 40443), (195, 38369), (221, 33855), (255, 29341), (305, 24531), (481, 15555), (555, 13481), (629, 11895), (663, 11285), (793, 9435), (915, 8177), (1037, 7215), (1105, 6771), (1443, 5185), (1887, 3965), (2257, 3315), (2379, 3145), (2405, 3111)]