82908987

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 130056192

約数和(自身を除く): 47147205

約数列:

[1, 3, 7, 21, 47, 141, 167, 329, 501, 503, 987, 1169, 1509, 3507, 3521, 7849, 10563, 23547, 23641, 54943, 70923, 84001, 164829, 165487, 252003, 496461, 588007, 1764021, 3948047, 11844141, 27636329, 82908987]

約数ペア:

[(1, 82908987), (3, 27636329), (7, 11844141), (21, 3948047), (47, 1764021), (141, 588007), (167, 496461), (329, 252003), (501, 165487), (503, 164829), (987, 84001), (1169, 70923), (1509, 54943), (3507, 23641), (3521, 23547), (7849, 10563)]