204872145

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{881}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 337841280

約数和(自身を除く): 132969135

約数列:

[1, 3, 5, 15, 37, 111, 185, 419, 555, 881, 1257, 2095, 2643, 4405, 6285, 13215, 15503, 32597, 46509, 77515, 97791, 162985, 232545, 369139, 488955, 1107417, 1845695, 5537085, 13658143, 40974429, 68290715, 204872145]

約数ペア:

[(1, 204872145), (3, 68290715), (5, 40974429), (15, 13658143), (37, 5537085), (111, 1845695), (185, 1107417), (419, 488955), (555, 369139), (881, 232545), (1257, 162985), (2095, 97791), (2643, 77515), (4405, 46509), (6285, 32597), (13215, 15503)]