27809388

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 74874800

約数和(自身を除く): 47065412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 327, 342, 373, 436, 654, 684, 746, 981, 1119, 1308, 1492, 1962, 2071, 2238, 3357, 3924, 4142, 4476, 6213, 6714, 7087, 8284, 12426, 13428, 14174, 18639, 21261, 24852, 28348, 37278, 40657, 42522, 63783, 74556, 81314, 85044, 121971, 127566, 162628, 243942, 255132, 365913, 487884, 731826, 772483, 1463652, 1544966, 2317449, 3089932, 4634898, 6952347, 9269796, 13904694, 27809388]

約数ペア:

[(1, 27809388), (2, 13904694), (3, 9269796), (4, 6952347), (6, 4634898), (9, 3089932), (12, 2317449), (18, 1544966), (19, 1463652), (36, 772483), (38, 731826), (57, 487884), (76, 365913), (109, 255132), (114, 243942), (171, 162628), (218, 127566), (228, 121971), (327, 85044), (342, 81314), (373, 74556), (436, 63783), (654, 42522), (684, 40657), (746, 37278), (981, 28348), (1119, 24852), (1308, 21261), (1492, 18639), (1962, 14174), (2071, 13428), (2238, 12426), (3357, 8284), (3924, 7087), (4142, 6714), (4476, 6213)]