669942

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 1790880

約数和(自身を除く): 1120938

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 409, 546, 818, 819, 1227, 1638, 2454, 2863, 3681, 5317, 5726, 7362, 8589, 10634, 15951, 17178, 25767, 31902, 37219, 47853, 51534, 74438, 95706, 111657, 223314, 334971, 669942]

約数ペア:

[(1, 669942), (2, 334971), (3, 223314), (6, 111657), (7, 95706), (9, 74438), (13, 51534), (14, 47853), (18, 37219), (21, 31902), (26, 25767), (39, 17178), (42, 15951), (63, 10634), (78, 8589), (91, 7362), (117, 5726), (126, 5317), (182, 3681), (234, 2863), (273, 2454), (409, 1638), (546, 1227), (818, 819)]