78449721

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 124182528

約数和(自身を除く): 45732807

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 329, 427, 987, 1281, 1303, 2867, 3909, 8601, 9121, 20069, 27363, 60207, 61241, 79483, 183723, 238449, 428687, 556381, 1286061, 1669143, 3735701, 11207103, 26149907, 78449721]

約数ペア:

[(1, 78449721), (3, 26149907), (7, 11207103), (21, 3735701), (47, 1669143), (61, 1286061), (141, 556381), (183, 428687), (329, 238449), (427, 183723), (987, 79483), (1281, 61241), (1303, 60207), (2867, 27363), (3909, 20069), (8601, 9121)]