28808367075

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{30697}}^1$

素因数の和:30853

約数の個数: 72

約数和(自身を含む): 53345019728

約数和(自身を除く): 24536652653

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 97, 129, 215, 225, 291, 387, 485, 645, 873, 1075, 1455, 1935, 2425, 3225, 4171, 4365, 7275, 9675, 12513, 20855, 21825, 30697, 37539, 62565, 92091, 104275, 153485, 187695, 276273, 312825, 460455, 767425, 938475, 1319971, 1381365, 2302275, 2977609, 3959913, 6599855, 6906825, 8932827, 11879739, 14888045, 19799565, 26798481, 32999275, 44664135, 59398695, 74440225, 98997825, 128037187, 133992405, 223320675, 296993475, 384111561, 640185935, 669962025, 1152334683, 1920557805, 3200929675, 5761673415, 9602789025, 28808367075]

約数ペア:

[(1, 28808367075), (3, 9602789025), (5, 5761673415), (9, 3200929675), (15, 1920557805), (25, 1152334683), (43, 669962025), (45, 640185935), (75, 384111561), (97, 296993475), (129, 223320675), (215, 133992405), (225, 128037187), (291, 98997825), (387, 74440225), (485, 59398695), (645, 44664135), (873, 32999275), (1075, 26798481), (1455, 19799565), (1935, 14888045), (2425, 11879739), (3225, 8932827), (4171, 6906825), (4365, 6599855), (7275, 3959913), (9675, 2977609), (12513, 2302275), (20855, 1381365), (21825, 1319971), (30697, 938475), (37539, 767425), (62565, 460455), (92091, 312825), (104275, 276273), (153485, 187695)]