1621009299

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{661}}^1\times {\mathrm{691}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 2682657024

約数和(自身を除く): 1061647725

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 661, 691, 1183, 1983, 2073, 3549, 4627, 4837, 8593, 8983, 13881, 14511, 25779, 26949, 60151, 62881, 111709, 116779, 180453, 188643, 335127, 350337, 456751, 781963, 817453, 1370253, 2345889, 2452359, 3197257, 5937763, 9591771, 17813289, 41564341, 77190919, 124693023, 231572757, 540336433, 1621009299]

約数ペア:

[(1, 1621009299), (3, 540336433), (7, 231572757), (13, 124693023), (21, 77190919), (39, 41564341), (91, 17813289), (169, 9591771), (273, 5937763), (507, 3197257), (661, 2452359), (691, 2345889), (1183, 1370253), (1983, 817453), (2073, 781963), (3549, 456751), (4627, 350337), (4837, 335127), (8593, 188643), (8983, 180453), (13881, 116779), (14511, 111709), (25779, 62881), (26949, 60151)]