15400725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 27641088

約数和(自身を除く): 12240363

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 257, 425, 705, 771, 799, 1175, 1275, 1285, 2397, 3525, 3855, 3995, 4369, 6425, 11985, 12079, 13107, 19275, 19975, 21845, 36237, 59925, 60395, 65535, 109225, 181185, 205343, 301975, 327675, 616029, 905925, 1026715, 3080145, 5133575, 15400725]

約数ペア:

[(1, 15400725), (3, 5133575), (5, 3080145), (15, 1026715), (17, 905925), (25, 616029), (47, 327675), (51, 301975), (75, 205343), (85, 181185), (141, 109225), (235, 65535), (255, 60395), (257, 59925), (425, 36237), (705, 21845), (771, 19975), (799, 19275), (1175, 13107), (1275, 12079), (1285, 11985), (2397, 6425), (3525, 4369), (3855, 3995)]