3972813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 6150144

約数和(自身を除く): 2177331

約数列:

[1, 3, 13, 23, 39, 43, 69, 103, 129, 299, 309, 559, 897, 989, 1339, 1677, 2369, 2967, 4017, 4429, 7107, 12857, 13287, 30797, 38571, 57577, 92391, 101867, 172731, 305601, 1324271, 3972813]

約数ペア:

[(1, 3972813), (3, 1324271), (13, 305601), (23, 172731), (39, 101867), (43, 92391), (69, 57577), (103, 38571), (129, 30797), (299, 13287), (309, 12857), (559, 7107), (897, 4429), (989, 4017), (1339, 2967), (1677, 2369)]