278935180563

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{87481}}^1$

素因数の和:87860

約数の個数: 48

約数和(自身を含む): 425204511360

約数和(自身を除く): 146269330797

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 331, 507, 741, 993, 3211, 4303, 6289, 9633, 12909, 18867, 55939, 81757, 87481, 167817, 245271, 262443, 1062841, 1137253, 1662139, 3188523, 3411759, 4986417, 14784289, 21607807, 28956211, 44352867, 64823421, 86868633, 280901491, 376430743, 550168009, 842704473, 1129292229, 1650504027, 4893599659, 7152184117, 14680798977, 21456552351, 92978393521, 278935180563]

約数ペア:

[(1, 278935180563), (3, 92978393521), (13, 21456552351), (19, 14680798977), (39, 7152184117), (57, 4893599659), (169, 1650504027), (247, 1129292229), (331, 842704473), (507, 550168009), (741, 376430743), (993, 280901491), (3211, 86868633), (4303, 64823421), (6289, 44352867), (9633, 28956211), (12909, 21607807), (18867, 14784289), (55939, 4986417), (81757, 3411759), (87481, 3188523), (167817, 1662139), (245271, 1137253), (262443, 1062841)]