28704075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 51425280

約数和(自身を除く): 22721205

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 425, 479, 705, 799, 1175, 1275, 1437, 2395, 2397, 3525, 3995, 7185, 8143, 11975, 11985, 19975, 22513, 24429, 35925, 40715, 59925, 67539, 112565, 122145, 203575, 337695, 382721, 562825, 610725, 1148163, 1688475, 1913605, 5740815, 9568025, 28704075]

約数ペア:

[(1, 28704075), (3, 9568025), (5, 5740815), (15, 1913605), (17, 1688475), (25, 1148163), (47, 610725), (51, 562825), (75, 382721), (85, 337695), (141, 203575), (235, 122145), (255, 112565), (425, 67539), (479, 59925), (705, 40715), (799, 35925), (1175, 24429), (1275, 22513), (1437, 19975), (2395, 11985), (2397, 11975), (3525, 8143), (3995, 7185)]