13504205

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 20511792

約数和(自身を除く): 7007587

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 101, 121, 143, 187, 221, 505, 605, 715, 935, 1105, 1111, 1313, 1573, 1717, 2057, 2431, 5555, 6565, 7865, 8585, 10285, 12155, 12221, 14443, 18887, 22321, 26741, 61105, 72215, 94435, 111605, 133705, 158873, 207757, 245531, 794365, 1038785, 1227655, 2700841, 13504205]

約数ペア:

[(1, 13504205), (5, 2700841), (11, 1227655), (13, 1038785), (17, 794365), (55, 245531), (65, 207757), (85, 158873), (101, 133705), (121, 111605), (143, 94435), (187, 72215), (221, 61105), (505, 26741), (605, 22321), (715, 18887), (935, 14443), (1105, 12221), (1111, 12155), (1313, 10285), (1573, 8585), (1717, 7865), (2057, 6565), (2431, 5555)]