15966621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 27293760

約数和(自身を除く): 11327139

約数列:

[1, 3, 9, 11, 17, 33, 51, 53, 99, 153, 159, 179, 187, 477, 537, 561, 583, 901, 1611, 1683, 1749, 1969, 2703, 3043, 5247, 5907, 8109, 9129, 9487, 9911, 17721, 27387, 28461, 29733, 33473, 85383, 89199, 100419, 104357, 161279, 301257, 313071, 483837, 939213, 1451511, 1774069, 5322207, 15966621]

約数ペア:

[(1, 15966621), (3, 5322207), (9, 1774069), (11, 1451511), (17, 939213), (33, 483837), (51, 313071), (53, 301257), (99, 161279), (153, 104357), (159, 100419), (179, 89199), (187, 85383), (477, 33473), (537, 29733), (561, 28461), (583, 27387), (901, 17721), (1611, 9911), (1683, 9487), (1749, 9129), (1969, 8109), (2703, 5907), (3043, 5247)]