321664395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5107}}^1$

素因数の和:5164

約数の個数: 64

約数和(自身を含む): 617863680

約数和(自身を除く): 296199285

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 323, 663, 741, 969, 1105, 1235, 1615, 3315, 3705, 4199, 4845, 5107, 12597, 15321, 20995, 25535, 62985, 66391, 76605, 86819, 97033, 199173, 260457, 291099, 331955, 434095, 485165, 995865, 1128647, 1261429, 1302285, 1455495, 1649561, 3385941, 3784287, 4948683, 5643235, 6307145, 8247805, 16929705, 18921435, 21444293, 24743415, 64332879, 107221465, 321664395]

約数ペア:

[(1, 321664395), (3, 107221465), (5, 64332879), (13, 24743415), (15, 21444293), (17, 18921435), (19, 16929705), (39, 8247805), (51, 6307145), (57, 5643235), (65, 4948683), (85, 3784287), (95, 3385941), (195, 1649561), (221, 1455495), (247, 1302285), (255, 1261429), (285, 1128647), (323, 995865), (663, 485165), (741, 434095), (969, 331955), (1105, 291099), (1235, 260457), (1615, 199173), (3315, 97033), (3705, 86819), (4199, 76605), (4845, 66391), (5107, 62985), (12597, 25535), (15321, 20995)]