142786119

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 221405184

約数和(自身を除く): 78619065

約数列:

[1, 3, 7, 21, 103, 251, 263, 309, 721, 753, 789, 1757, 1841, 2163, 5271, 5523, 25853, 27089, 66013, 77559, 81267, 180971, 189623, 198039, 462091, 542913, 568869, 1386273, 6799339, 20398017, 47595373, 142786119]

約数ペア:

[(1, 142786119), (3, 47595373), (7, 20398017), (21, 6799339), (103, 1386273), (251, 568869), (263, 542913), (309, 462091), (721, 198039), (753, 189623), (789, 180971), (1757, 81267), (1841, 77559), (2163, 66013), (5271, 27089), (5523, 25853)]