256977171

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5807}}^1$

素因数の和:5976

約数の個数: 32

約数和(自身を含む): 418176000

約数和(自身を除く): 161198829

約数列:

[1, 3, 9, 11, 27, 33, 99, 149, 297, 447, 1341, 1639, 4023, 4917, 5807, 14751, 17421, 44253, 52263, 63877, 156789, 191631, 574893, 865243, 1724679, 2595729, 7787187, 9517673, 23361561, 28553019, 85659057, 256977171]

約数ペア:

[(1, 256977171), (3, 85659057), (9, 28553019), (11, 23361561), (27, 9517673), (33, 7787187), (99, 2595729), (149, 1724679), (297, 865243), (447, 574893), (1341, 191631), (1639, 156789), (4023, 63877), (4917, 52263), (5807, 44253), (14751, 17421)]