25985775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 46202400

約数和(自身を除く): 20216625

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 89, 229, 255, 267, 425, 445, 687, 1145, 1275, 1335, 1513, 2225, 3435, 3893, 4539, 5725, 6675, 7565, 11679, 17175, 19465, 20381, 22695, 37825, 58395, 61143, 97325, 101905, 113475, 291975, 305715, 346477, 509525, 1039431, 1528575, 1732385, 5197155, 8661925, 25985775]

約数ペア:

[(1, 25985775), (3, 8661925), (5, 5197155), (15, 1732385), (17, 1528575), (25, 1039431), (51, 509525), (75, 346477), (85, 305715), (89, 291975), (229, 113475), (255, 101905), (267, 97325), (425, 61143), (445, 58395), (687, 37825), (1145, 22695), (1275, 20381), (1335, 19465), (1513, 17175), (2225, 11679), (3435, 7565), (3893, 6675), (4539, 5725)]