2609925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 4821120

約数和(自身を除く): 2211195

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 89, 115, 255, 267, 345, 391, 425, 445, 575, 1173, 1275, 1335, 1513, 1725, 1955, 2047, 2225, 4539, 5865, 6141, 6675, 7565, 9775, 10235, 22695, 29325, 30705, 34799, 37825, 51175, 104397, 113475, 153525, 173995, 521985, 869975, 2609925]

約数ペア:

[(1, 2609925), (3, 869975), (5, 521985), (15, 173995), (17, 153525), (23, 113475), (25, 104397), (51, 51175), (69, 37825), (75, 34799), (85, 30705), (89, 29325), (115, 22695), (255, 10235), (267, 9775), (345, 7565), (391, 6675), (425, 6141), (445, 5865), (575, 4539), (1173, 2225), (1275, 2047), (1335, 1955), (1513, 1725)]