31861917

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 51484160

約数和(自身を除く): 19622243

約数列:

[1, 3, 9, 19, 27, 57, 67, 81, 103, 171, 201, 243, 309, 513, 603, 927, 1273, 1539, 1809, 1957, 2781, 3819, 4617, 5427, 5871, 6901, 8343, 11457, 16281, 17613, 20703, 25029, 34371, 52839, 62109, 103113, 131119, 158517, 186327, 309339, 393357, 475551, 558981, 1180071, 1676943, 3540213, 10620639, 31861917]

約数ペア:

[(1, 31861917), (3, 10620639), (9, 3540213), (19, 1676943), (27, 1180071), (57, 558981), (67, 475551), (81, 393357), (103, 309339), (171, 186327), (201, 158517), (243, 131119), (309, 103113), (513, 62109), (603, 52839), (927, 34371), (1273, 25029), (1539, 20703), (1809, 17613), (1957, 16281), (2781, 11457), (3819, 8343), (4617, 6901), (5427, 5871)]