218210193

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2099

約数の個数: 40

約数和(自身を含む): 348131520

約数和(自身を除く): 129921327

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 213, 513, 639, 1349, 1539, 1917, 1997, 4047, 5751, 5991, 12141, 17973, 36423, 37943, 53919, 109269, 113829, 141787, 161757, 341487, 425361, 1024461, 1276083, 2693953, 3073383, 3828249, 8081859, 11484747, 24245577, 72736731, 218210193]

約数ペア:

[(1, 218210193), (3, 72736731), (9, 24245577), (19, 11484747), (27, 8081859), (57, 3828249), (71, 3073383), (81, 2693953), (171, 1276083), (213, 1024461), (513, 425361), (639, 341487), (1349, 161757), (1539, 141787), (1917, 113829), (1997, 109269), (4047, 53919), (5751, 37943), (5991, 36423), (12141, 17973)]