218873313

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7499}}^1$

素因数の和:7578

約数の個数: 32

約数和(自身を含む): 345600000

約数和(自身を除く): 126726687

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 1081, 1269, 3243, 7499, 9729, 22497, 29187, 67491, 172477, 202473, 352453, 517431, 1057359, 1552293, 3172077, 4656879, 8106419, 9516231, 24319257, 72957771, 218873313]

約数ペア:

[(1, 218873313), (3, 72957771), (9, 24319257), (23, 9516231), (27, 8106419), (47, 4656879), (69, 3172077), (141, 1552293), (207, 1057359), (423, 517431), (621, 352453), (1081, 202473), (1269, 172477), (3243, 67491), (7499, 29187), (9729, 22497)]