68637975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 139098240

約数和(自身を除く): 70460265

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 399, 475, 525, 665, 735, 931, 983, 1225, 1425, 1995, 2793, 2949, 3325, 3675, 4655, 4915, 6881, 9975, 13965, 14745, 18677, 20643, 23275, 24575, 34405, 48167, 56031, 69825, 73725, 93385, 103215, 130739, 144501, 172025, 240835, 280155, 392217, 466925, 516075, 653695, 722505, 915173, 1204175, 1400775, 1961085, 2745519, 3268475, 3612525, 4575865, 9805425, 13727595, 22879325, 68637975]

約数ペア:

[(1, 68637975), (3, 22879325), (5, 13727595), (7, 9805425), (15, 4575865), (19, 3612525), (21, 3268475), (25, 2745519), (35, 1961085), (49, 1400775), (57, 1204175), (75, 915173), (95, 722505), (105, 653695), (133, 516075), (147, 466925), (175, 392217), (245, 280155), (285, 240835), (399, 172025), (475, 144501), (525, 130739), (665, 103215), (735, 93385), (931, 73725), (983, 69825), (1225, 56031), (1425, 48167), (1995, 34405), (2793, 24575), (2949, 23275), (3325, 20643), (3675, 18677), (4655, 14745), (4915, 13965), (6881, 9975)]