138020175

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 259112880

約数和(自身を除く): 121092705

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 59, 75, 111, 177, 185, 225, 281, 295, 333, 531, 555, 843, 885, 925, 1405, 1475, 1665, 2183, 2529, 2655, 2775, 4215, 4425, 6549, 7025, 8325, 10397, 10915, 12645, 13275, 16579, 19647, 21075, 31191, 32745, 49737, 51985, 54575, 63225, 82895, 93573, 98235, 149211, 155955, 163725, 248685, 259925, 414475, 467865, 491175, 613423, 746055, 779775, 1243425, 1840269, 2339325, 3067115, 3730275, 5520807, 9201345, 15335575, 27604035, 46006725, 138020175]

約数ペア:

[(1, 138020175), (3, 46006725), (5, 27604035), (9, 15335575), (15, 9201345), (25, 5520807), (37, 3730275), (45, 3067115), (59, 2339325), (75, 1840269), (111, 1243425), (177, 779775), (185, 746055), (225, 613423), (281, 491175), (295, 467865), (333, 414475), (531, 259925), (555, 248685), (843, 163725), (885, 155955), (925, 149211), (1405, 98235), (1475, 93573), (1665, 82895), (2183, 63225), (2529, 54575), (2655, 51985), (2775, 49737), (4215, 32745), (4425, 31191), (6549, 21075), (7025, 19647), (8325, 16579), (10397, 13275), (10915, 12645)]