509723907

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 890486784

約数和(自身を除く): 380762877

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 197, 231, 253, 483, 487, 591, 759, 1379, 1461, 1771, 2167, 3409, 4137, 4531, 5313, 5357, 6501, 10227, 11201, 13593, 15169, 16071, 31717, 33603, 37499, 45507, 49841, 78407, 95151, 95939, 112497, 123211, 149523, 235221, 287817, 348887, 369633, 671573, 862477, 1046661, 1055329, 2014719, 2206597, 2587431, 3165987, 6619791, 7387303, 15446179, 22161909, 24272567, 46338537, 72817701, 169907969, 509723907]

約数ペア:

[(1, 509723907), (3, 169907969), (7, 72817701), (11, 46338537), (21, 24272567), (23, 22161909), (33, 15446179), (69, 7387303), (77, 6619791), (161, 3165987), (197, 2587431), (231, 2206597), (253, 2014719), (483, 1055329), (487, 1046661), (591, 862477), (759, 671573), (1379, 369633), (1461, 348887), (1771, 287817), (2167, 235221), (3409, 149523), (4137, 123211), (4531, 112497), (5313, 95939), (5357, 95151), (6501, 78407), (10227, 49841), (11201, 45507), (13593, 37499), (15169, 33603), (16071, 31717)]