28037403

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 45489600

約数和(自身を除く): 17452197

約数列:

[1, 3, 9, 17, 29, 51, 71, 87, 89, 153, 213, 261, 267, 493, 639, 801, 1207, 1479, 1513, 2059, 2581, 3621, 4437, 4539, 6177, 6319, 7743, 10863, 13617, 18531, 18957, 23229, 35003, 43877, 56871, 105009, 107423, 131631, 183251, 315027, 322269, 394893, 549753, 966807, 1649259, 3115267, 9345801, 28037403]

約数ペア:

[(1, 28037403), (3, 9345801), (9, 3115267), (17, 1649259), (29, 966807), (51, 549753), (71, 394893), (87, 322269), (89, 315027), (153, 183251), (213, 131631), (261, 107423), (267, 105009), (493, 56871), (639, 43877), (801, 35003), (1207, 23229), (1479, 18957), (1513, 18531), (2059, 13617), (2581, 10863), (3621, 7743), (4437, 6319), (4539, 6177)]