138379515

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{593}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 227183616

約数和(自身を除く): 88804101

約数列:

[1, 3, 5, 15, 47, 141, 235, 331, 593, 705, 993, 1655, 1779, 2965, 4965, 8895, 15557, 27871, 46671, 77785, 83613, 139355, 196283, 233355, 418065, 588849, 981415, 2944245, 9225301, 27675903, 46126505, 138379515]

約数ペア:

[(1, 138379515), (3, 46126505), (5, 27675903), (15, 9225301), (47, 2944245), (141, 981415), (235, 588849), (331, 418065), (593, 233355), (705, 196283), (993, 139355), (1655, 83613), (1779, 77785), (2965, 46671), (4965, 27871), (8895, 15557)]