13301235

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 24860160

約数和(自身を除く): 11558925

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 331, 423, 705, 855, 893, 993, 1655, 2115, 2679, 2979, 4465, 4965, 6289, 8037, 13395, 14895, 15557, 18867, 31445, 40185, 46671, 56601, 77785, 94335, 140013, 233355, 283005, 295583, 700065, 886749, 1477915, 2660247, 4433745, 13301235]

約数ペア:

[(1, 13301235), (3, 4433745), (5, 2660247), (9, 1477915), (15, 886749), (19, 700065), (45, 295583), (47, 283005), (57, 233355), (95, 140013), (141, 94335), (171, 77785), (235, 56601), (285, 46671), (331, 40185), (423, 31445), (705, 18867), (855, 15557), (893, 14895), (993, 13395), (1655, 8037), (2115, 6289), (2679, 4965), (2979, 4465)]