788894469

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 1358413056

約数和(自身を除く): 569518587

約数列:

[1, 3, 9, 11, 17, 33, 43, 51, 99, 121, 129, 153, 187, 363, 387, 473, 561, 731, 991, 1089, 1419, 1683, 2057, 2193, 2973, 4257, 5203, 6171, 6579, 8041, 8919, 10901, 15609, 16847, 18513, 24123, 32703, 42613, 46827, 50541, 72369, 88451, 98109, 119911, 127839, 151623, 185317, 265353, 359733, 383517, 468743, 555951, 724421, 796059, 1079199, 1406229, 1667853, 2038487, 2173263, 4218687, 5156173, 6115461, 6519789, 7968631, 15468519, 18346383, 23905893, 46405557, 71717679, 87654941, 262964823, 788894469]

約数ペア:

[(1, 788894469), (3, 262964823), (9, 87654941), (11, 71717679), (17, 46405557), (33, 23905893), (43, 18346383), (51, 15468519), (99, 7968631), (121, 6519789), (129, 6115461), (153, 5156173), (187, 4218687), (363, 2173263), (387, 2038487), (473, 1667853), (561, 1406229), (731, 1079199), (991, 796059), (1089, 724421), (1419, 555951), (1683, 468743), (2057, 383517), (2193, 359733), (2973, 265353), (4257, 185317), (5203, 151623), (6171, 127839), (6579, 119911), (8041, 98109), (8919, 88451), (10901, 72369), (15609, 50541), (16847, 46827), (18513, 42613), (24123, 32703)]