12238725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 22230720

約数和(自身を除く): 9991995

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 331, 425, 435, 493, 725, 993, 1275, 1479, 1655, 2175, 2465, 4965, 5627, 7395, 8275, 9599, 12325, 16881, 24825, 28135, 28797, 36975, 47995, 84405, 140675, 143985, 163183, 239975, 422025, 489549, 719925, 815915, 2447745, 4079575, 12238725]

約数ペア:

[(1, 12238725), (3, 4079575), (5, 2447745), (15, 815915), (17, 719925), (25, 489549), (29, 422025), (51, 239975), (75, 163183), (85, 143985), (87, 140675), (145, 84405), (255, 47995), (331, 36975), (425, 28797), (435, 28135), (493, 24825), (725, 16881), (993, 12325), (1275, 9599), (1479, 8275), (1655, 7395), (2175, 5627), (2465, 4965)]