16125525

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 32159400

約数和(自身を除く): 16033875

約数列:

[1, 3, 5, 9, 13, 15, 25, 37, 39, 45, 65, 75, 111, 117, 149, 185, 195, 225, 325, 333, 447, 481, 555, 585, 745, 925, 975, 1341, 1443, 1665, 1937, 2235, 2405, 2775, 2925, 3725, 4329, 5513, 5811, 6705, 7215, 8325, 9685, 11175, 12025, 16539, 17433, 21645, 27565, 29055, 33525, 36075, 48425, 49617, 71669, 82695, 87165, 108225, 137825, 145275, 215007, 248085, 358345, 413475, 435825, 645021, 1075035, 1240425, 1791725, 3225105, 5375175, 16125525]

約数ペア:

[(1, 16125525), (3, 5375175), (5, 3225105), (9, 1791725), (13, 1240425), (15, 1075035), (25, 645021), (37, 435825), (39, 413475), (45, 358345), (65, 248085), (75, 215007), (111, 145275), (117, 137825), (149, 108225), (185, 87165), (195, 82695), (225, 71669), (325, 49617), (333, 48425), (447, 36075), (481, 33525), (555, 29055), (585, 27565), (745, 21645), (925, 17433), (975, 16539), (1341, 12025), (1443, 11175), (1665, 9685), (1937, 8325), (2235, 7215), (2405, 6705), (2775, 5811), (2925, 5513), (3725, 4329)]