2217225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 4071168

約数和(自身を除く): 1853943

約数列:

[1, 3, 5, 15, 17, 25, 37, 47, 51, 75, 85, 111, 141, 185, 235, 255, 425, 555, 629, 705, 799, 925, 1175, 1275, 1739, 1887, 2397, 2775, 3145, 3525, 3995, 5217, 8695, 9435, 11985, 15725, 19975, 26085, 29563, 43475, 47175, 59925, 88689, 130425, 147815, 443445, 739075, 2217225]

約数ペア:

[(1, 2217225), (3, 739075), (5, 443445), (15, 147815), (17, 130425), (25, 88689), (37, 59925), (47, 47175), (51, 43475), (75, 29563), (85, 26085), (111, 19975), (141, 15725), (185, 11985), (235, 9435), (255, 8695), (425, 5217), (555, 3995), (629, 3525), (705, 3145), (799, 2775), (925, 2397), (1175, 1887), (1275, 1739)]