2181525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 4017600

約数和(自身を除く): 1836075

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 59, 75, 85, 87, 145, 177, 255, 295, 425, 435, 493, 725, 885, 1003, 1275, 1475, 1479, 1711, 2175, 2465, 3009, 4425, 5015, 5133, 7395, 8555, 12325, 15045, 25075, 25665, 29087, 36975, 42775, 75225, 87261, 128325, 145435, 436305, 727175, 2181525]

約数ペア:

[(1, 2181525), (3, 727175), (5, 436305), (15, 145435), (17, 128325), (25, 87261), (29, 75225), (51, 42775), (59, 36975), (75, 29087), (85, 25665), (87, 25075), (145, 15045), (177, 12325), (255, 8555), (295, 7395), (425, 5133), (435, 5015), (493, 4425), (725, 3009), (885, 2465), (1003, 2175), (1275, 1711), (1475, 1479)]