304858215

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2089}}^1$

素因数の和:2173

約数の個数: 64

約数和(自身を含む): 577843200

約数和(自身を除く): 272984985

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 47, 69, 115, 135, 141, 207, 235, 345, 423, 621, 705, 1035, 1081, 1269, 2089, 2115, 3105, 3243, 5405, 6267, 6345, 9729, 10445, 16215, 18801, 29187, 31335, 48047, 48645, 56403, 94005, 98183, 144141, 145935, 240235, 282015, 294549, 432423, 490915, 720705, 883647, 1297269, 1472745, 2162115, 2258209, 2650941, 4418235, 6486345, 6774627, 11291045, 13254705, 20323881, 33873135, 60971643, 101619405, 304858215]

約数ペア:

[(1, 304858215), (3, 101619405), (5, 60971643), (9, 33873135), (15, 20323881), (23, 13254705), (27, 11291045), (45, 6774627), (47, 6486345), (69, 4418235), (115, 2650941), (135, 2258209), (141, 2162115), (207, 1472745), (235, 1297269), (345, 883647), (423, 720705), (621, 490915), (705, 432423), (1035, 294549), (1081, 282015), (1269, 240235), (2089, 145935), (2115, 144141), (3105, 98183), (3243, 94005), (5405, 56403), (6267, 48645), (6345, 48047), (9729, 31335), (10445, 29187), (16215, 18801)]