16558425

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 35919576

約数和(自身を除く): 19361151

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 37, 39, 45, 51, 65, 75, 81, 85, 111, 117, 135, 153, 185, 195, 221, 225, 255, 325, 333, 351, 405, 425, 459, 481, 555, 585, 629, 663, 675, 765, 925, 975, 999, 1053, 1105, 1275, 1377, 1443, 1665, 1755, 1887, 1989, 2025, 2295, 2405, 2775, 2925, 2997, 3145, 3315, 3825, 4329, 4995, 5265, 5525, 5661, 5967, 6885, 7215, 8177, 8325, 8775, 9435, 9945, 11475, 12025, 12987, 14985, 15725, 16575, 16983, 17901, 21645, 24531, 24975, 26325, 28305, 29835, 34425, 36075, 38961, 40885, 47175, 49725, 50949, 64935, 73593, 74925, 84915, 89505, 108225, 122655, 141525, 149175, 194805, 204425, 220779, 254745, 324675, 367965, 424575, 447525, 613275, 662337, 974025, 1103895, 1273725, 1839825, 3311685, 5519475, 16558425]

約数ペア:

[(1, 16558425), (3, 5519475), (5, 3311685), (9, 1839825), (13, 1273725), (15, 1103895), (17, 974025), (25, 662337), (27, 613275), (37, 447525), (39, 424575), (45, 367965), (51, 324675), (65, 254745), (75, 220779), (81, 204425), (85, 194805), (111, 149175), (117, 141525), (135, 122655), (153, 108225), (185, 89505), (195, 84915), (221, 74925), (225, 73593), (255, 64935), (325, 50949), (333, 49725), (351, 47175), (405, 40885), (425, 38961), (459, 36075), (481, 34425), (555, 29835), (585, 28305), (629, 26325), (663, 24975), (675, 24531), (765, 21645), (925, 17901), (975, 16983), (999, 16575), (1053, 15725), (1105, 14985), (1275, 12987), (1377, 12025), (1443, 11475), (1665, 9945), (1755, 9435), (1887, 8775), (1989, 8325), (2025, 8177), (2295, 7215), (2405, 6885), (2775, 5967), (2925, 5661), (2997, 5525), (3145, 5265), (3315, 4995), (3825, 4329)]