449325225

素因数分解:

$3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 72

約数和(自身を含む): 857584000

約数和(自身を除く): 408258775

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 135, 185, 225, 243, 333, 405, 555, 675, 925, 999, 1215, 1665, 1999, 2025, 2775, 2997, 4995, 5997, 6075, 8325, 8991, 9995, 14985, 17991, 24975, 29985, 44955, 49975, 53973, 73963, 74925, 89955, 149925, 161919, 221889, 224775, 269865, 369815, 449775, 485757, 665667, 809595, 1109445, 1349325, 1849075, 1997001, 2428785, 3328335, 4047975, 5547225, 5991003, 9985005, 12143925, 16641675, 17973009, 29955015, 49925025, 89865045, 149775075, 449325225]

約数ペア:

[(1, 449325225), (3, 149775075), (5, 89865045), (9, 49925025), (15, 29955015), (25, 17973009), (27, 16641675), (37, 12143925), (45, 9985005), (75, 5991003), (81, 5547225), (111, 4047975), (135, 3328335), (185, 2428785), (225, 1997001), (243, 1849075), (333, 1349325), (405, 1109445), (555, 809595), (675, 665667), (925, 485757), (999, 449775), (1215, 369815), (1665, 269865), (1999, 224775), (2025, 221889), (2775, 161919), (2997, 149925), (4995, 89955), (5997, 74925), (6075, 73963), (8325, 53973), (8991, 49975), (9995, 44955), (14985, 29985), (17991, 24975)]