201980871

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 320785920

約数和(自身を除く): 118805049

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 243, 509, 621, 639, 1527, 1633, 1863, 1917, 4581, 4899, 5589, 5751, 11707, 13743, 14697, 17253, 35121, 36139, 41229, 44091, 105363, 108417, 123687, 132273, 316089, 325251, 396819, 831197, 948267, 975753, 2493591, 2844801, 2927259, 7480773, 8781777, 22442319, 67326957, 201980871]

約数ペア:

[(1, 201980871), (3, 67326957), (9, 22442319), (23, 8781777), (27, 7480773), (69, 2927259), (71, 2844801), (81, 2493591), (207, 975753), (213, 948267), (243, 831197), (509, 396819), (621, 325251), (639, 316089), (1527, 132273), (1633, 123687), (1863, 108417), (1917, 105363), (4581, 44091), (4899, 41229), (5589, 36139), (5751, 35121), (11707, 17253), (13743, 14697)]