23257275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 43397520

約数和(自身を除く): 20140245

約数列:

[1, 3, 5, 15, 17, 25, 29, 37, 51, 75, 85, 87, 111, 145, 185, 255, 289, 425, 435, 493, 555, 629, 725, 867, 925, 1073, 1275, 1445, 1479, 1887, 2175, 2465, 2775, 3145, 3219, 4335, 5365, 7225, 7395, 8381, 9435, 10693, 12325, 15725, 16095, 18241, 21675, 25143, 26825, 32079, 36975, 41905, 47175, 53465, 54723, 80475, 91205, 125715, 160395, 209525, 267325, 273615, 310097, 456025, 628575, 801975, 930291, 1368075, 1550485, 4651455, 7752425, 23257275]

約数ペア:

[(1, 23257275), (3, 7752425), (5, 4651455), (15, 1550485), (17, 1368075), (25, 930291), (29, 801975), (37, 628575), (51, 456025), (75, 310097), (85, 273615), (87, 267325), (111, 209525), (145, 160395), (185, 125715), (255, 91205), (289, 80475), (425, 54723), (435, 53465), (493, 47175), (555, 41905), (629, 36975), (725, 32079), (867, 26825), (925, 25143), (1073, 21675), (1275, 18241), (1445, 16095), (1479, 15725), (1887, 12325), (2175, 10693), (2465, 9435), (2775, 8381), (3145, 7395), (3219, 7225), (4335, 5365)]