87738903

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 71928297

約数列:

[1, 3, 7, 9, 19, 21, 27, 53, 57, 63, 133, 159, 171, 189, 371, 399, 461, 477, 513, 1007, 1113, 1197, 1383, 1431, 3021, 3227, 3339, 3591, 4149, 7049, 8759, 9063, 9681, 10017, 12447, 21147, 24433, 26277, 27189, 29043, 61313, 63441, 73299, 78831, 87129, 171031, 183939, 190323, 219897, 236493, 464227, 513093, 551817, 659691, 1392681, 1539279, 1655451, 3249589, 4178043, 4617837, 9748767, 12534129, 29246301, 87738903]

約数ペア:

[(1, 87738903), (3, 29246301), (7, 12534129), (9, 9748767), (19, 4617837), (21, 4178043), (27, 3249589), (53, 1655451), (57, 1539279), (63, 1392681), (133, 659691), (159, 551817), (171, 513093), (189, 464227), (371, 236493), (399, 219897), (461, 190323), (477, 183939), (513, 171031), (1007, 87129), (1113, 78831), (1197, 73299), (1383, 63441), (1431, 61313), (3021, 29043), (3227, 27189), (3339, 26277), (3591, 24433), (4149, 21147), (7049, 12447), (8759, 10017), (9063, 9681)]