678687075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{619}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 1331254080

約数和(自身を除く): 652567005

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 443, 495, 619, 825, 1329, 1857, 2215, 2475, 3095, 3987, 4873, 5571, 6645, 6809, 9285, 11075, 14619, 15475, 19935, 20427, 24365, 27855, 33225, 34045, 43857, 46425, 61281, 73095, 99675, 102135, 121825, 139275, 170225, 219285, 274217, 306405, 365475, 510675, 822651, 1096425, 1371085, 1532025, 2467953, 3016387, 4113255, 6855425, 9049161, 12339765, 15081935, 20566275, 27147483, 45245805, 61698825, 75409675, 135737415, 226229025, 678687075]

約数ペア:

[(1, 678687075), (3, 226229025), (5, 135737415), (9, 75409675), (11, 61698825), (15, 45245805), (25, 27147483), (33, 20566275), (45, 15081935), (55, 12339765), (75, 9049161), (99, 6855425), (165, 4113255), (225, 3016387), (275, 2467953), (443, 1532025), (495, 1371085), (619, 1096425), (825, 822651), (1329, 510675), (1857, 365475), (2215, 306405), (2475, 274217), (3095, 219285), (3987, 170225), (4873, 139275), (5571, 121825), (6645, 102135), (6809, 99675), (9285, 73095), (11075, 61281), (14619, 46425), (15475, 43857), (19935, 34045), (20427, 33225), (24365, 27855)]