12402945

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 23542272

約数和(自身を除く): 11139327

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 523, 527, 765, 1395, 1569, 1581, 2615, 2635, 4707, 4743, 7845, 7905, 8891, 16213, 23535, 23715, 26673, 44455, 48639, 80019, 81065, 133365, 145917, 243195, 275621, 400095, 729585, 826863, 1378105, 2480589, 4134315, 12402945]

約数ペア:

[(1, 12402945), (3, 4134315), (5, 2480589), (9, 1378105), (15, 826863), (17, 729585), (31, 400095), (45, 275621), (51, 243195), (85, 145917), (93, 133365), (153, 81065), (155, 80019), (255, 48639), (279, 44455), (465, 26673), (523, 23715), (527, 23535), (765, 16213), (1395, 8891), (1569, 7905), (1581, 7845), (2615, 4743), (2635, 4707)]