13860405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 28828800

約数和(自身を除く): 14968395

約数列:

[1, 3, 5, 9, 13, 15, 19, 29, 39, 43, 45, 57, 65, 87, 95, 117, 129, 145, 171, 195, 215, 247, 261, 285, 377, 387, 435, 551, 559, 585, 645, 741, 817, 855, 1131, 1235, 1247, 1305, 1653, 1677, 1885, 1935, 2223, 2451, 2755, 2795, 3393, 3705, 3741, 4085, 4959, 5031, 5655, 6235, 7163, 7353, 8265, 8385, 10621, 11115, 11223, 12255, 16211, 16965, 18705, 21489, 23693, 24795, 25155, 31863, 35815, 36765, 48633, 53105, 56115, 64467, 71079, 81055, 95589, 107445, 118465, 145899, 159315, 213237, 243165, 308009, 322335, 355395, 477945, 729495, 924027, 1066185, 1540045, 2772081, 4620135, 13860405]

約数ペア:

[(1, 13860405), (3, 4620135), (5, 2772081), (9, 1540045), (13, 1066185), (15, 924027), (19, 729495), (29, 477945), (39, 355395), (43, 322335), (45, 308009), (57, 243165), (65, 213237), (87, 159315), (95, 145899), (117, 118465), (129, 107445), (145, 95589), (171, 81055), (195, 71079), (215, 64467), (247, 56115), (261, 53105), (285, 48633), (377, 36765), (387, 35815), (435, 31863), (551, 25155), (559, 24795), (585, 23693), (645, 21489), (741, 18705), (817, 16965), (855, 16211), (1131, 12255), (1235, 11223), (1247, 11115), (1305, 10621), (1653, 8385), (1677, 8265), (1885, 7353), (1935, 7163), (2223, 6235), (2451, 5655), (2755, 5031), (2795, 4959), (3393, 4085), (3705, 3741)]