9978605

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 15145812

約数和(自身を除く): 5167207

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 241, 245, 455, 637, 845, 1183, 1205, 1687, 3133, 3185, 5915, 8281, 8435, 11809, 15665, 21931, 40729, 41405, 59045, 109655, 153517, 203645, 285103, 767585, 1425515, 1995721, 9978605]

約数ペア:

[(1, 9978605), (5, 1995721), (7, 1425515), (13, 767585), (35, 285103), (49, 203645), (65, 153517), (91, 109655), (169, 59045), (241, 41405), (245, 40729), (455, 21931), (637, 15665), (845, 11809), (1183, 8435), (1205, 8281), (1687, 5915), (3133, 3185)]