261569887731

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1\times {\mathrm{6373}}^1$

素因数の和:6980

約数の個数: 48

約数和(自身を含む): 386302644000

約数和(自身を除く): 124732756269

約数列:

[1, 3, 9, 73, 179, 219, 349, 537, 657, 1047, 1611, 3141, 6373, 13067, 19119, 25477, 39201, 57357, 62471, 76431, 117603, 187413, 229293, 465229, 562239, 1140767, 1395687, 2224177, 3422301, 4187061, 4560383, 6672531, 10266903, 13681149, 20017593, 41043447, 83275991, 162364921, 249827973, 398127683, 487094763, 749483919, 1194383049, 1461284289, 3583149147, 29063320859, 87189962577, 261569887731]

約数ペア:

[(1, 261569887731), (3, 87189962577), (9, 29063320859), (73, 3583149147), (179, 1461284289), (219, 1194383049), (349, 749483919), (537, 487094763), (657, 398127683), (1047, 249827973), (1611, 162364921), (3141, 83275991), (6373, 41043447), (13067, 20017593), (19119, 13681149), (25477, 10266903), (39201, 6672531), (57357, 4560383), (62471, 4187061), (76431, 3422301), (117603, 2224177), (187413, 1395687), (229293, 1140767), (465229, 562239)]