57778791

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 95650560

約数和(自身を除く): 37871769

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 137, 147, 151, 399, 411, 453, 931, 959, 1057, 2603, 2793, 2869, 2877, 3171, 6713, 7399, 7809, 8607, 18221, 20083, 20139, 20687, 22197, 54663, 60249, 62061, 127547, 140581, 144809, 382641, 393053, 421743, 434427, 1013663, 1179159, 2751371, 3040989, 8254113, 19259597, 57778791]

約数ペア:

[(1, 57778791), (3, 19259597), (7, 8254113), (19, 3040989), (21, 2751371), (49, 1179159), (57, 1013663), (133, 434427), (137, 421743), (147, 393053), (151, 382641), (399, 144809), (411, 140581), (453, 127547), (931, 62061), (959, 60249), (1057, 54663), (2603, 22197), (2793, 20687), (2869, 20139), (2877, 20083), (3171, 18221), (6713, 8607), (7399, 7809)]