77221557

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 134334720

約数和(自身を除く): 57113163

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 137, 161, 207, 389, 411, 483, 959, 1167, 1233, 1449, 2723, 2877, 3151, 3501, 8169, 8631, 8947, 9453, 22057, 24507, 26841, 28359, 53293, 62629, 66171, 80523, 159879, 187887, 198513, 373051, 479637, 563661, 1119153, 1225739, 3357459, 3677217, 8580173, 11031651, 25740519, 77221557]

約数ペア:

[(1, 77221557), (3, 25740519), (7, 11031651), (9, 8580173), (21, 3677217), (23, 3357459), (63, 1225739), (69, 1119153), (137, 563661), (161, 479637), (207, 373051), (389, 198513), (411, 187887), (483, 159879), (959, 80523), (1167, 66171), (1233, 62629), (1449, 53293), (2723, 28359), (2877, 26841), (3151, 24507), (3501, 22057), (8169, 9453), (8631, 8947)]