28803525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 27442875

約数列:

[1, 3, 5, 15, 17, 19, 25, 29, 41, 51, 57, 75, 85, 87, 95, 123, 145, 205, 255, 285, 323, 425, 435, 475, 493, 551, 615, 697, 725, 779, 969, 1025, 1189, 1275, 1425, 1479, 1615, 1653, 2091, 2175, 2337, 2465, 2755, 3075, 3485, 3567, 3895, 4845, 5945, 7395, 8075, 8265, 9367, 10455, 11685, 12325, 13243, 13775, 17425, 17835, 19475, 20213, 22591, 24225, 28101, 29725, 36975, 39729, 41325, 46835, 52275, 58425, 60639, 66215, 67773, 89175, 101065, 112955, 140505, 198645, 234175, 303195, 331075, 338865, 384047, 505325, 564775, 702525, 993225, 1152141, 1515975, 1694325, 1920235, 5760705, 9601175, 28803525]

約数ペア:

[(1, 28803525), (3, 9601175), (5, 5760705), (15, 1920235), (17, 1694325), (19, 1515975), (25, 1152141), (29, 993225), (41, 702525), (51, 564775), (57, 505325), (75, 384047), (85, 338865), (87, 331075), (95, 303195), (123, 234175), (145, 198645), (205, 140505), (255, 112955), (285, 101065), (323, 89175), (425, 67773), (435, 66215), (475, 60639), (493, 58425), (551, 52275), (615, 46835), (697, 41325), (725, 39729), (779, 36975), (969, 29725), (1025, 28101), (1189, 24225), (1275, 22591), (1425, 20213), (1479, 19475), (1615, 17835), (1653, 17425), (2091, 13775), (2175, 13243), (2337, 12325), (2465, 11685), (2755, 10455), (3075, 9367), (3485, 8265), (3567, 8075), (3895, 7395), (4845, 5945)]