171421425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 354072576

約数和(自身を除く): 182651151

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 127, 175, 225, 315, 381, 525, 635, 857, 889, 1143, 1575, 1905, 2571, 2667, 3175, 4285, 4445, 5715, 5999, 7713, 8001, 9525, 12855, 13335, 17997, 21425, 22225, 28575, 29995, 38565, 40005, 53991, 64275, 66675, 89985, 108839, 149975, 192825, 200025, 269955, 326517, 449925, 544195, 761873, 979551, 1349775, 1632585, 2285619, 2720975, 3809365, 4897755, 6856857, 8162925, 11428095, 19046825, 24488775, 34284285, 57140475, 171421425]

約数ペア:

[(1, 171421425), (3, 57140475), (5, 34284285), (7, 24488775), (9, 19046825), (15, 11428095), (21, 8162925), (25, 6856857), (35, 4897755), (45, 3809365), (63, 2720975), (75, 2285619), (105, 1632585), (127, 1349775), (175, 979551), (225, 761873), (315, 544195), (381, 449925), (525, 326517), (635, 269955), (857, 200025), (889, 192825), (1143, 149975), (1575, 108839), (1905, 89985), (2571, 66675), (2667, 64275), (3175, 53991), (4285, 40005), (4445, 38565), (5715, 29995), (5999, 28575), (7713, 22225), (8001, 21425), (9525, 17997), (12855, 13335)]