15999516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2051

約数の個数: 72

約数和(自身を含む): 46139184

約数和(自身を除く): 30139668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2011, 2652, 3978, 4022, 6033, 7956, 8044, 12066, 18099, 24132, 26143, 34187, 36198, 52286, 68374, 72396, 78429, 102561, 104572, 136748, 156858, 205122, 235287, 307683, 313716, 410244, 444431, 470574, 615366, 888862, 941148, 1230732, 1333293, 1777724, 2666586, 3999879, 5333172, 7999758, 15999516]

約数ペア:

[(1, 15999516), (2, 7999758), (3, 5333172), (4, 3999879), (6, 2666586), (9, 1777724), (12, 1333293), (13, 1230732), (17, 941148), (18, 888862), (26, 615366), (34, 470574), (36, 444431), (39, 410244), (51, 313716), (52, 307683), (68, 235287), (78, 205122), (102, 156858), (117, 136748), (153, 104572), (156, 102561), (204, 78429), (221, 72396), (234, 68374), (306, 52286), (442, 36198), (468, 34187), (612, 26143), (663, 24132), (884, 18099), (1326, 12066), (1989, 8044), (2011, 7956), (2652, 6033), (3978, 4022)]