389898231

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 553236480

約数和(自身を除く): 163338249

約数列:

[1, 3, 23, 69, 89, 173, 267, 367, 519, 1101, 2047, 3979, 6141, 8441, 11937, 15397, 25323, 32663, 46191, 63491, 97989, 190473, 354131, 751249, 1062393, 1460293, 2253747, 4380879, 5650699, 16952097, 129966077, 389898231]

約数ペア:

[(1, 389898231), (3, 129966077), (23, 16952097), (69, 5650699), (89, 4380879), (173, 2253747), (267, 1460293), (367, 1062393), (519, 751249), (1101, 354131), (2047, 190473), (3979, 97989), (6141, 63491), (8441, 46191), (11937, 32663), (15397, 25323)]