201798585

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 379304640

約数和(自身を除く): 177506055

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 59, 85, 153, 177, 255, 263, 289, 295, 531, 765, 789, 867, 885, 1003, 1315, 1445, 2367, 2601, 2655, 3009, 3945, 4335, 4471, 5015, 9027, 11835, 13005, 13413, 15045, 15517, 17051, 22355, 40239, 45135, 46551, 51153, 67065, 76007, 77585, 85255, 139653, 153459, 201195, 228021, 232755, 255765, 263789, 380035, 684063, 698265, 767295, 791367, 1140105, 1318945, 2374101, 3420315, 3956835, 4484413, 11870505, 13453239, 22422065, 40359717, 67266195, 201798585]

約数ペア:

[(1, 201798585), (3, 67266195), (5, 40359717), (9, 22422065), (15, 13453239), (17, 11870505), (45, 4484413), (51, 3956835), (59, 3420315), (85, 2374101), (153, 1318945), (177, 1140105), (255, 791367), (263, 767295), (289, 698265), (295, 684063), (531, 380035), (765, 263789), (789, 255765), (867, 232755), (885, 228021), (1003, 201195), (1315, 153459), (1445, 139653), (2367, 85255), (2601, 77585), (2655, 76007), (3009, 67065), (3945, 51153), (4335, 46551), (4471, 45135), (5015, 40239), (9027, 22355), (11835, 17051), (13005, 15517), (13413, 15045)]