87728025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 72

約数和(自身を含む): 182335552

約数和(自身を除く): 94607527

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 165, 175, 231, 275, 363, 385, 525, 605, 825, 847, 1155, 1381, 1815, 1925, 2541, 3025, 4143, 4235, 5775, 6905, 9075, 9667, 12705, 15191, 20715, 21175, 29001, 34525, 45573, 48335, 63525, 75955, 103575, 106337, 145005, 167101, 227865, 241675, 319011, 379775, 501303, 531685, 725025, 835505, 1139325, 1169707, 1595055, 2506515, 2658425, 3509121, 4177525, 5848535, 7975275, 12532575, 17545605, 29242675, 87728025]

約数ペア:

[(1, 87728025), (3, 29242675), (5, 17545605), (7, 12532575), (11, 7975275), (15, 5848535), (21, 4177525), (25, 3509121), (33, 2658425), (35, 2506515), (55, 1595055), (75, 1169707), (77, 1139325), (105, 835505), (121, 725025), (165, 531685), (175, 501303), (231, 379775), (275, 319011), (363, 241675), (385, 227865), (525, 167101), (605, 145005), (825, 106337), (847, 103575), (1155, 75955), (1381, 63525), (1815, 48335), (1925, 45573), (2541, 34525), (3025, 29001), (4143, 21175), (4235, 20715), (5775, 15191), (6905, 12705), (9075, 9667)]