201639825

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 378745848

約数和(自身を除く): 177106023

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 53, 75, 111, 159, 185, 225, 265, 333, 457, 477, 555, 795, 925, 1325, 1371, 1665, 1961, 2285, 2385, 2775, 3975, 4113, 5883, 6855, 8325, 9805, 11425, 11925, 16909, 17649, 20565, 24221, 29415, 34275, 49025, 50727, 72663, 84545, 88245, 102825, 121105, 147075, 152181, 217989, 253635, 363315, 422725, 441225, 605525, 760905, 896177, 1089945, 1268175, 1816575, 2688531, 3804525, 4480885, 5449725, 8065593, 13442655, 22404425, 40327965, 67213275, 201639825]

約数ペア:

[(1, 201639825), (3, 67213275), (5, 40327965), (9, 22404425), (15, 13442655), (25, 8065593), (37, 5449725), (45, 4480885), (53, 3804525), (75, 2688531), (111, 1816575), (159, 1268175), (185, 1089945), (225, 896177), (265, 760905), (333, 605525), (457, 441225), (477, 422725), (555, 363315), (795, 253635), (925, 217989), (1325, 152181), (1371, 147075), (1665, 121105), (1961, 102825), (2285, 88245), (2385, 84545), (2775, 72663), (3975, 50727), (4113, 49025), (5883, 34275), (6855, 29415), (8325, 24221), (9805, 20565), (11425, 17649), (11925, 16909)]