205677225

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{601}}^1$

素因数の和:649

約数の個数: 90

約数和(自身を含む): 413232666

約数和(自身を除く): 207555441

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 169, 195, 225, 325, 351, 405, 507, 585, 601, 675, 845, 975, 1053, 1521, 1755, 1803, 2025, 2535, 2925, 3005, 4225, 4563, 5265, 5409, 7605, 7813, 8775, 9015, 12675, 13689, 15025, 16227, 22815, 23439, 26325, 27045, 38025, 39065, 45075, 48681, 68445, 70317, 81135, 101569, 114075, 117195, 135225, 195325, 210951, 243405, 304707, 342225, 351585, 405675, 507845, 585975, 632853, 914121, 1054755, 1217025, 1523535, 1757925, 2539225, 2742363, 3164265, 4570605, 5273775, 7617675, 8227089, 13711815, 15821325, 22853025, 41135445, 68559075, 205677225]

約数ペア:

[(1, 205677225), (3, 68559075), (5, 41135445), (9, 22853025), (13, 15821325), (15, 13711815), (25, 8227089), (27, 7617675), (39, 5273775), (45, 4570605), (65, 3164265), (75, 2742363), (81, 2539225), (117, 1757925), (135, 1523535), (169, 1217025), (195, 1054755), (225, 914121), (325, 632853), (351, 585975), (405, 507845), (507, 405675), (585, 351585), (601, 342225), (675, 304707), (845, 243405), (975, 210951), (1053, 195325), (1521, 135225), (1755, 117195), (1803, 114075), (2025, 101569), (2535, 81135), (2925, 70317), (3005, 68445), (4225, 48681), (4563, 45075), (5265, 39065), (5409, 38025), (7605, 27045), (7813, 26325), (8775, 23439), (9015, 22815), (12675, 16227), (13689, 15025)]