278328195

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 492697920

約数和(自身を除く): 214369725

約数列:

[1, 3, 5, 9, 15, 45, 73, 193, 219, 365, 439, 579, 657, 965, 1095, 1317, 1737, 2195, 2895, 3285, 3951, 6585, 8685, 14089, 19755, 32047, 42267, 70445, 84727, 96141, 126801, 160235, 211335, 254181, 288423, 423635, 480705, 634005, 762543, 1270905, 1442115, 3812715, 6185071, 18555213, 30925355, 55665639, 92776065, 278328195]

約数ペア:

[(1, 278328195), (3, 92776065), (5, 55665639), (9, 30925355), (15, 18555213), (45, 6185071), (73, 3812715), (193, 1442115), (219, 1270905), (365, 762543), (439, 634005), (579, 480705), (657, 423635), (965, 288423), (1095, 254181), (1317, 211335), (1737, 160235), (2195, 126801), (2895, 96141), (3285, 84727), (3951, 70445), (6585, 42267), (8685, 32047), (14089, 19755)]