12784005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^2$

素因数の和:119

約数の個数: 54

約数和(自身を含む): 24594102

約数和(自身を除く): 11810097

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 169, 195, 205, 369, 507, 533, 585, 615, 845, 1521, 1599, 1681, 1845, 2535, 2665, 4797, 5043, 6929, 7605, 7995, 8405, 15129, 20787, 21853, 23985, 25215, 34645, 62361, 65559, 75645, 103935, 109265, 196677, 284089, 311805, 327795, 852267, 983385, 1420445, 2556801, 4261335, 12784005]

約数ペア:

[(1, 12784005), (3, 4261335), (5, 2556801), (9, 1420445), (13, 983385), (15, 852267), (39, 327795), (41, 311805), (45, 284089), (65, 196677), (117, 109265), (123, 103935), (169, 75645), (195, 65559), (205, 62361), (369, 34645), (507, 25215), (533, 23985), (585, 21853), (615, 20787), (845, 15129), (1521, 8405), (1599, 7995), (1681, 7605), (1845, 6929), (2535, 5043), (2665, 4797)]