205120198941

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2861}}^1\times {\mathrm{15733}}^1$

素因数の和:18642

約数の個数: 48

約数和(自身を含む): 328544045568

約数和(自身を除く): 123423846627

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 2861, 4557, 8583, 15733, 20027, 47199, 60081, 88691, 110131, 140189, 266073, 330393, 420567, 487723, 620837, 770917, 1463169, 1862511, 2312751, 3414061, 4345859, 10242183, 13037577, 23898427, 45012113, 71695281, 135036339, 315084791, 945254373, 1395375503, 2205593537, 4186126509, 6616780611, 9767628521, 29302885563, 68373399647, 205120198941]

約数ペア:

[(1, 205120198941), (3, 68373399647), (7, 29302885563), (21, 9767628521), (31, 6616780611), (49, 4186126509), (93, 2205593537), (147, 1395375503), (217, 945254373), (651, 315084791), (1519, 135036339), (2861, 71695281), (4557, 45012113), (8583, 23898427), (15733, 13037577), (20027, 10242183), (47199, 4345859), (60081, 3414061), (88691, 2312751), (110131, 1862511), (140189, 1463169), (266073, 770917), (330393, 620837), (420567, 487723)]