16217235

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 31608720

約数和(自身を除く): 15391485

約数列:

[1, 3, 5, 9, 15, 17, 29, 43, 45, 51, 85, 87, 129, 145, 153, 215, 255, 261, 289, 387, 435, 493, 645, 731, 765, 867, 1247, 1305, 1445, 1479, 1935, 2193, 2465, 2601, 3655, 3741, 4335, 4437, 6235, 6579, 7395, 8381, 10965, 11223, 12427, 13005, 18705, 21199, 22185, 25143, 32895, 37281, 41905, 56115, 62135, 63597, 75429, 105995, 111843, 125715, 186405, 190791, 317985, 360383, 377145, 559215, 953955, 1081149, 1801915, 3243447, 5405745, 16217235]

約数ペア:

[(1, 16217235), (3, 5405745), (5, 3243447), (9, 1801915), (15, 1081149), (17, 953955), (29, 559215), (43, 377145), (45, 360383), (51, 317985), (85, 190791), (87, 186405), (129, 125715), (145, 111843), (153, 105995), (215, 75429), (255, 63597), (261, 62135), (289, 56115), (387, 41905), (435, 37281), (493, 32895), (645, 25143), (731, 22185), (765, 21199), (867, 18705), (1247, 13005), (1305, 12427), (1445, 11223), (1479, 10965), (1935, 8381), (2193, 7395), (2465, 6579), (2601, 6235), (3655, 4437), (3741, 4335)]