51155145

素因数分解:

$3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 93405312

約数和(自身を除く): 42250167

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 355, 405, 593, 639, 1065, 1215, 1779, 1917, 2965, 3195, 5337, 5751, 8895, 9585, 16011, 17253, 26685, 28755, 42103, 48033, 80055, 86265, 126309, 144099, 210515, 240165, 378927, 631545, 720495, 1136781, 1894635, 3410343, 5683905, 10231029, 17051715, 51155145]

約数ペア:

[(1, 51155145), (3, 17051715), (5, 10231029), (9, 5683905), (15, 3410343), (27, 1894635), (45, 1136781), (71, 720495), (81, 631545), (135, 378927), (213, 240165), (243, 210515), (355, 144099), (405, 126309), (593, 86265), (639, 80055), (1065, 48033), (1215, 42103), (1779, 28755), (1917, 26685), (2965, 17253), (3195, 16011), (5337, 9585), (5751, 8895)]