15980166

素因数分解:

$2^1\times 3^5\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 20344122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 243, 251, 262, 393, 486, 502, 753, 786, 1179, 1506, 2259, 2358, 3537, 4518, 6777, 7074, 10611, 13554, 20331, 21222, 31833, 32881, 40662, 60993, 63666, 65762, 98643, 121986, 197286, 295929, 591858, 887787, 1775574, 2663361, 5326722, 7990083, 15980166]

約数ペア:

[(1, 15980166), (2, 7990083), (3, 5326722), (6, 2663361), (9, 1775574), (18, 887787), (27, 591858), (54, 295929), (81, 197286), (131, 121986), (162, 98643), (243, 65762), (251, 63666), (262, 60993), (393, 40662), (486, 32881), (502, 31833), (753, 21222), (786, 20331), (1179, 13554), (1506, 10611), (2259, 7074), (2358, 6777), (3537, 4518)]