71324775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 140147280

約数和(自身を除く): 68822505

約数列:

[1, 3, 5, 9, 15, 17, 25, 29, 45, 51, 75, 85, 87, 145, 153, 225, 255, 261, 425, 435, 493, 643, 725, 765, 1275, 1305, 1479, 1929, 2175, 2465, 3215, 3825, 4437, 5787, 6525, 7395, 9645, 10931, 12325, 16075, 18647, 22185, 28935, 32793, 36975, 48225, 54655, 55941, 93235, 98379, 110925, 144675, 163965, 167823, 273275, 279705, 316999, 466175, 491895, 819825, 839115, 950997, 1398525, 1584995, 2459475, 2852991, 4195575, 4754985, 7924975, 14264955, 23774925, 71324775]

約数ペア:

[(1, 71324775), (3, 23774925), (5, 14264955), (9, 7924975), (15, 4754985), (17, 4195575), (25, 2852991), (29, 2459475), (45, 1584995), (51, 1398525), (75, 950997), (85, 839115), (87, 819825), (145, 491895), (153, 466175), (225, 316999), (255, 279705), (261, 273275), (425, 167823), (435, 163965), (493, 144675), (643, 110925), (725, 98379), (765, 93235), (1275, 55941), (1305, 54655), (1479, 48225), (1929, 36975), (2175, 32793), (2465, 28935), (3215, 22185), (3825, 18647), (4437, 16075), (5787, 12325), (6525, 10931), (7395, 9645)]