81466938

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215521}}^1$

素因数の和:215539

約数の個数: 32

約数和(自身を含む): 206901120

約数和(自身を除く): 125434182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215521, 431042, 646563, 1293126, 1508647, 1939689, 3017294, 3879378, 4525941, 5819067, 9051882, 11638134, 13577823, 27155646, 40733469, 81466938]

約数ペア:

[(1, 81466938), (2, 40733469), (3, 27155646), (6, 13577823), (7, 11638134), (9, 9051882), (14, 5819067), (18, 4525941), (21, 3879378), (27, 3017294), (42, 1939689), (54, 1508647), (63, 1293126), (126, 646563), (189, 431042), (378, 215521)]