6439251

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 10716160

約数和(自身を除く): 4276909

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 229, 273, 309, 687, 721, 1339, 1603, 2163, 2977, 4017, 4809, 8931, 9373, 20839, 23587, 28119, 62517, 70761, 165109, 306631, 495327, 919893, 2146417, 6439251]

約数ペア:

[(1, 6439251), (3, 2146417), (7, 919893), (13, 495327), (21, 306631), (39, 165109), (91, 70761), (103, 62517), (229, 28119), (273, 23587), (309, 20839), (687, 9373), (721, 8931), (1339, 4809), (1603, 4017), (2163, 2977)]