280185195

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{7187}}^1$

素因数の和:7331

約数の個数: 32

約数和(自身を含む): 471992832

約数和(自身を除く): 191807637

約数列:

[1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 565, 1695, 2599, 7187, 7797, 12995, 21561, 35935, 38985, 107805, 165301, 495903, 812131, 826505, 2436393, 2479515, 4060655, 12181965, 18679013, 56037039, 93395065, 280185195]

約数ペア:

[(1, 280185195), (3, 93395065), (5, 56037039), (15, 18679013), (23, 12181965), (69, 4060655), (113, 2479515), (115, 2436393), (339, 826505), (345, 812131), (565, 495903), (1695, 165301), (2599, 107805), (7187, 38985), (7797, 35935), (12995, 21561)]