201716325

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 401867136

約数和(自身を除く): 200150811

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 61, 69, 71, 75, 81, 115, 135, 183, 207, 213, 225, 305, 345, 355, 405, 549, 575, 621, 639, 675, 915, 1035, 1065, 1403, 1525, 1633, 1647, 1725, 1775, 1863, 1917, 2025, 2745, 3105, 3195, 4209, 4331, 4575, 4899, 4941, 5175, 5325, 5751, 7015, 8165, 8235, 9315, 9585, 12627, 12993, 13725, 14697, 15525, 15975, 21045, 21655, 24495, 24705, 28755, 35075, 37881, 38979, 40825, 41175, 44091, 46575, 47925, 63135, 64965, 73485, 99613, 105225, 108275, 113643, 116937, 122475, 123525, 132273, 143775, 189405, 194895, 220455, 298839, 315675, 324825, 350811, 367425, 498065, 568215, 584685, 661365, 896517, 947025, 974475, 1102275, 1494195, 1754055, 2490325, 2689551, 2841075, 2923425, 3306825, 4482585, 7470975, 8068653, 8770275, 13447755, 22412925, 40343265, 67238775, 201716325]

約数ペア:

[(1, 201716325), (3, 67238775), (5, 40343265), (9, 22412925), (15, 13447755), (23, 8770275), (25, 8068653), (27, 7470975), (45, 4482585), (61, 3306825), (69, 2923425), (71, 2841075), (75, 2689551), (81, 2490325), (115, 1754055), (135, 1494195), (183, 1102275), (207, 974475), (213, 947025), (225, 896517), (305, 661365), (345, 584685), (355, 568215), (405, 498065), (549, 367425), (575, 350811), (621, 324825), (639, 315675), (675, 298839), (915, 220455), (1035, 194895), (1065, 189405), (1403, 143775), (1525, 132273), (1633, 123525), (1647, 122475), (1725, 116937), (1775, 113643), (1863, 108275), (1917, 105225), (2025, 99613), (2745, 73485), (3105, 64965), (3195, 63135), (4209, 47925), (4331, 46575), (4575, 44091), (4899, 41175), (4941, 40825), (5175, 38979), (5325, 37881), (5751, 35075), (7015, 28755), (8165, 24705), (8235, 24495), (9315, 21655), (9585, 21045), (12627, 15975), (12993, 15525), (13725, 14697)]