28546425

素因数分解:

$3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 54885376

約数和(自身を除く): 26338951

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 127, 135, 185, 225, 243, 333, 381, 405, 555, 635, 675, 925, 999, 1143, 1215, 1665, 1905, 2025, 2775, 2997, 3175, 3429, 4699, 4995, 5715, 6075, 8325, 8991, 9525, 10287, 14097, 14985, 17145, 23495, 24975, 28575, 30861, 42291, 44955, 51435, 70485, 74925, 85725, 117475, 126873, 154305, 211455, 224775, 257175, 352425, 380619, 634365, 771525, 1057275, 1141857, 1903095, 3171825, 5709285, 9515475, 28546425]

約数ペア:

[(1, 28546425), (3, 9515475), (5, 5709285), (9, 3171825), (15, 1903095), (25, 1141857), (27, 1057275), (37, 771525), (45, 634365), (75, 380619), (81, 352425), (111, 257175), (127, 224775), (135, 211455), (185, 154305), (225, 126873), (243, 117475), (333, 85725), (381, 74925), (405, 70485), (555, 51435), (635, 44955), (675, 42291), (925, 30861), (999, 28575), (1143, 24975), (1215, 23495), (1665, 17145), (1905, 14985), (2025, 14097), (2775, 10287), (2997, 9525), (3175, 8991), (3429, 8325), (4699, 6075), (4995, 5715)]