27878490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1973}}^1$

素因数の和:2143

約数の個数: 48

約数和(自身を含む): 72982728

約数和(自身を除く): 45104238

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 1973, 2355, 2826, 3946, 4710, 5919, 7065, 9865, 11838, 14130, 17757, 19730, 29595, 35514, 59190, 88785, 177570, 309761, 619522, 929283, 1548805, 1858566, 2787849, 3097610, 4646415, 5575698, 9292830, 13939245, 27878490]

約数ペア:

[(1, 27878490), (2, 13939245), (3, 9292830), (5, 5575698), (6, 4646415), (9, 3097610), (10, 2787849), (15, 1858566), (18, 1548805), (30, 929283), (45, 619522), (90, 309761), (157, 177570), (314, 88785), (471, 59190), (785, 35514), (942, 29595), (1413, 19730), (1570, 17757), (1973, 14130), (2355, 11838), (2826, 9865), (3946, 7065), (4710, 5919)]