180864981

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4951}}^1$

素因数の和:5015

約数の個数: 40

約数和(自身を含む): 301992768

約数和(自身を除く): 121127787

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 123, 297, 369, 451, 891, 1107, 1353, 3321, 4059, 4951, 12177, 14853, 36531, 44559, 54461, 133677, 163383, 202991, 401031, 490149, 608973, 1470447, 1826919, 2232901, 4411341, 5480757, 6698703, 16442271, 20096109, 60288327, 180864981]

約数ペア:

[(1, 180864981), (3, 60288327), (9, 20096109), (11, 16442271), (27, 6698703), (33, 5480757), (41, 4411341), (81, 2232901), (99, 1826919), (123, 1470447), (297, 608973), (369, 490149), (451, 401031), (891, 202991), (1107, 163383), (1353, 133677), (3321, 54461), (4059, 44559), (4951, 36531), (12177, 14853)]