71857215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 141523200

約数和(自身を除く): 69665985

約数列:

[1, 3, 5, 9, 15, 17, 29, 41, 45, 51, 79, 85, 87, 123, 145, 153, 205, 237, 255, 261, 369, 395, 435, 493, 615, 697, 711, 765, 1185, 1189, 1305, 1343, 1479, 1845, 2091, 2291, 2465, 3239, 3485, 3555, 3567, 4029, 4437, 5945, 6273, 6715, 6873, 7395, 9717, 10455, 10701, 11455, 12087, 16195, 17835, 20145, 20213, 20619, 22185, 29151, 31365, 34365, 38947, 48585, 53505, 55063, 60435, 60639, 93931, 101065, 103095, 116841, 145755, 165189, 181917, 194735, 275315, 281793, 303195, 350523, 469655, 495567, 584205, 825945, 845379, 909585, 1408965, 1596827, 1752615, 2477835, 4226895, 4790481, 7984135, 14371443, 23952405, 71857215]

約数ペア:

[(1, 71857215), (3, 23952405), (5, 14371443), (9, 7984135), (15, 4790481), (17, 4226895), (29, 2477835), (41, 1752615), (45, 1596827), (51, 1408965), (79, 909585), (85, 845379), (87, 825945), (123, 584205), (145, 495567), (153, 469655), (205, 350523), (237, 303195), (255, 281793), (261, 275315), (369, 194735), (395, 181917), (435, 165189), (493, 145755), (615, 116841), (697, 103095), (711, 101065), (765, 93931), (1185, 60639), (1189, 60435), (1305, 55063), (1343, 53505), (1479, 48585), (1845, 38947), (2091, 34365), (2291, 31365), (2465, 29151), (3239, 22185), (3485, 20619), (3555, 20213), (3567, 20145), (4029, 17835), (4437, 16195), (5945, 12087), (6273, 11455), (6715, 10701), (6873, 10455), (7395, 9717)]