51315645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 89187840

約数和(自身を除く): 37872195

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 223, 345, 435, 529, 667, 669, 1115, 1587, 2001, 2645, 3335, 3345, 5129, 6467, 7935, 10005, 15341, 15387, 19401, 25645, 32335, 46023, 76705, 76935, 97005, 117967, 148741, 230115, 353901, 446223, 589835, 743705, 1769505, 2231115, 3421043, 10263129, 17105215, 51315645]

約数ペア:

[(1, 51315645), (3, 17105215), (5, 10263129), (15, 3421043), (23, 2231115), (29, 1769505), (69, 743705), (87, 589835), (115, 446223), (145, 353901), (223, 230115), (345, 148741), (435, 117967), (529, 97005), (667, 76935), (669, 76705), (1115, 46023), (1587, 32335), (2001, 25645), (2645, 19401), (3335, 15387), (3345, 15341), (5129, 10005), (6467, 7935)]