31183515

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 33167205

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 83, 99, 115, 121, 135, 165, 207, 249, 253, 297, 345, 363, 415, 495, 605, 621, 747, 759, 913, 1035, 1089, 1245, 1265, 1485, 1815, 1909, 2241, 2277, 2739, 2783, 3105, 3267, 3735, 3795, 4565, 5445, 5727, 6831, 8217, 8349, 9545, 10043, 11205, 11385, 13695, 13915, 16335, 17181, 20999, 24651, 25047, 28635, 30129, 34155, 41085, 41745, 50215, 51543, 62997, 75141, 85905, 90387, 104995, 123255, 125235, 150645, 188991, 230989, 257715, 271161, 314985, 375705, 451935, 566973, 692967, 944955, 1154945, 1355805, 2078901, 2834865, 3464835, 6236703, 10394505, 31183515]

約数ペア:

[(1, 31183515), (3, 10394505), (5, 6236703), (9, 3464835), (11, 2834865), (15, 2078901), (23, 1355805), (27, 1154945), (33, 944955), (45, 692967), (55, 566973), (69, 451935), (83, 375705), (99, 314985), (115, 271161), (121, 257715), (135, 230989), (165, 188991), (207, 150645), (249, 125235), (253, 123255), (297, 104995), (345, 90387), (363, 85905), (415, 75141), (495, 62997), (605, 51543), (621, 50215), (747, 41745), (759, 41085), (913, 34155), (1035, 30129), (1089, 28635), (1245, 25047), (1265, 24651), (1485, 20999), (1815, 17181), (1909, 16335), (2241, 13915), (2277, 13695), (2739, 11385), (2783, 11205), (3105, 10043), (3267, 9545), (3735, 8349), (3795, 8217), (4565, 6831), (5445, 5727)]