128220609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 190512000

約数和(自身を除く): 62291391

約数列:

[1, 3, 11, 33, 89, 149, 267, 293, 447, 879, 979, 1639, 2937, 3223, 4917, 9669, 13261, 26077, 39783, 43657, 78231, 130971, 145871, 286847, 437613, 480227, 860541, 1440681, 3885473, 11656419, 42740203, 128220609]

約数ペア:

[(1, 128220609), (3, 42740203), (11, 11656419), (33, 3885473), (89, 1440681), (149, 860541), (267, 480227), (293, 437613), (447, 286847), (879, 145871), (979, 130971), (1639, 78231), (2937, 43657), (3223, 39783), (4917, 26077), (9669, 13261)]