42078519

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 74468160

約数和(自身を除く): 32389641

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 101, 119, 153, 303, 357, 389, 707, 909, 1071, 1167, 1717, 2121, 2723, 3501, 5151, 6363, 6613, 8169, 12019, 15453, 19839, 24507, 36057, 39289, 46291, 59517, 108171, 117867, 138873, 275023, 353601, 416619, 667913, 825069, 2003739, 2475207, 4675391, 6011217, 14026173, 42078519]

約数ペア:

[(1, 42078519), (3, 14026173), (7, 6011217), (9, 4675391), (17, 2475207), (21, 2003739), (51, 825069), (63, 667913), (101, 416619), (119, 353601), (153, 275023), (303, 138873), (357, 117867), (389, 108171), (707, 59517), (909, 46291), (1071, 39289), (1167, 36057), (1717, 24507), (2121, 19839), (2723, 15453), (3501, 12019), (5151, 8169), (6363, 6613)]