1921465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 2935296

約数和(自身を除く): 1013831

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 103, 205, 287, 455, 515, 533, 721, 1339, 1435, 2665, 3605, 3731, 4223, 6695, 9373, 18655, 21115, 29561, 46865, 54899, 147805, 274495, 384293, 1921465]

約数ペア:

[(1, 1921465), (5, 384293), (7, 274495), (13, 147805), (35, 54899), (41, 46865), (65, 29561), (91, 21115), (103, 18655), (205, 9373), (287, 6695), (455, 4223), (515, 3731), (533, 3605), (721, 2665), (1339, 1435)]