216770157

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 339655680

約数和(自身を除く): 122885523

約数列:

[1, 3, 9, 29, 41, 47, 87, 123, 141, 261, 369, 423, 431, 1189, 1293, 1363, 1927, 3567, 3879, 4089, 5781, 10701, 12267, 12499, 17343, 17671, 20257, 37497, 53013, 55883, 60771, 112491, 159039, 167649, 182313, 502947, 512459, 587453, 830537, 1537377, 1762359, 2491611, 4612131, 5287077, 7474833, 24085573, 72256719, 216770157]

約数ペア:

[(1, 216770157), (3, 72256719), (9, 24085573), (29, 7474833), (41, 5287077), (47, 4612131), (87, 2491611), (123, 1762359), (141, 1537377), (261, 830537), (369, 587453), (423, 512459), (431, 502947), (1189, 182313), (1293, 167649), (1363, 159039), (1927, 112491), (3567, 60771), (3879, 55883), (4089, 53013), (5781, 37497), (10701, 20257), (12267, 17671), (12499, 17343)]